Explore topic-wise InterviewSolutions in General Knowledge.

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

101.

Burns caused by steam are much severe than those caused by boiling water because

Answer» <html><body><p> Steam has latent heat</p><br/><br/><p>Steam produces more severe <a href="https://interviewquestions.tuteehub.com/tag/burns-905713" style="font-weight:bold;" target="_blank" title="Click to know more about BURNS">BURNS</a> than <a href="https://interviewquestions.tuteehub.com/tag/boiling-17187" style="font-weight:bold;" target="_blank" title="Click to know more about BOILING">BOILING</a> water even <a href="https://interviewquestions.tuteehub.com/tag/though-2306877" style="font-weight:bold;" target="_blank" title="Click to know more about THOUGH">THOUGH</a> both are at 100<sup>o</sup>C because steam <a href="https://interviewquestions.tuteehub.com/tag/contains-11473" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAINS">CONTAINS</a> more heat, in the form of latent heat, than boiling water.</p></body></html>
102.

The blue colour of sky is due to

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/scattering-18435" style="font-weight:bold;" target="_blank" title="Click to know more about SCATTERING">SCATTERING</a> of shorter wavelengths of sunlight in the atmosphere</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/blue-899773" style="font-weight:bold;" target="_blank" title="Click to know more about BLUE">BLUE</a> <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> is scattered in all directions by the tiny <a href="https://interviewquestions.tuteehub.com/tag/molecules-563030" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULES">MOLECULES</a> of air in <a href="https://interviewquestions.tuteehub.com/tag/earth-13129" style="font-weight:bold;" target="_blank" title="Click to know more about EARTH">EARTH</a>'s atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Closer to the horizon, the sky fades to a lighter blue or white.</p></body></html>
103.

"God Particle" is

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/higgs-2702182" style="font-weight:bold;" target="_blank" title="Click to know more about HIGGS">HIGGS</a> <a href="https://interviewquestions.tuteehub.com/tag/boson-2480357" style="font-weight:bold;" target="_blank" title="Click to know more about BOSON">BOSON</a></p><br/><br/><p>"<a href="https://interviewquestions.tuteehub.com/tag/god-474358" style="font-weight:bold;" target="_blank" title="Click to know more about GOD">GOD</a> <a href="https://interviewquestions.tuteehub.com/tag/particle-1147478" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLE">PARTICLE</a>" is Higgs Boson.</p></body></html>
104.

When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes?

Answer» <html><body><p> Nine <a href="https://interviewquestions.tuteehub.com/tag/times-1420471" style="font-weight:bold;" target="_blank" title="Click to know more about TIMES">TIMES</a></p><br/><br/><p>L = inductance is proportional to the number of turns <a href="https://interviewquestions.tuteehub.com/tag/per-590802" style="font-weight:bold;" target="_blank" title="Click to know more about PER">PER</a> <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> length. So self inductance becomes <a href="https://interviewquestions.tuteehub.com/tag/three-708969" style="font-weight:bold;" target="_blank" title="Click to know more about THREE">THREE</a> times. if turns in a coil is trippled, self inductance <a href="https://interviewquestions.tuteehub.com/tag/become-389953" style="font-weight:bold;" target="_blank" title="Click to know more about BECOME">BECOME</a> nine times.</p></body></html>
105.

Speed of sound is maximum in which among the following?

Answer» <html><body><p> Solids</p><br/><br/><p>We <a href="https://interviewquestions.tuteehub.com/tag/know-534065" style="font-weight:bold;" target="_blank" title="Click to know more about KNOW">KNOW</a> that, in solids all the particles are packed together and hence sound can travel from <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> to one very fast. Hence, <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> of sound is maximum in solids and decreases from solids to liquids and liquids to <a href="https://interviewquestions.tuteehub.com/tag/gases-13668" style="font-weight:bold;" target="_blank" title="Click to know more about GASES">GASES</a>. Sound can't travel through vacuum.</p></body></html>
106.

How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?

Answer» <html><body><p> 80 J</p><br/><br/><p>It takes 80 <a href="https://interviewquestions.tuteehub.com/tag/calories-908016" style="font-weight:bold;" target="_blank" title="Click to know more about CALORIES">CALORIES</a> to melt <a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a> gram of <a href="https://interviewquestions.tuteehub.com/tag/ice-1035302" style="font-weight:bold;" target="_blank" title="Click to know more about ICE">ICE</a>. If 1 g of ice (at <a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a> degrees Celsius) is given 80 calories, it will melt and the <a href="https://interviewquestions.tuteehub.com/tag/final-461168" style="font-weight:bold;" target="_blank" title="Click to know more about FINAL">FINAL</a> temperature of the water will be 0. Freezing water at 0 degrees Celsius: It also takes 80 calories to freeze 1 gram of water.</p></body></html>
107.

Gear finishing operation is called

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/burnishing-7668332" style="font-weight:bold;" target="_blank" title="Click to know more about BURNISHING">BURNISHING</a></p><br/><br/><p>Gear <a href="https://interviewquestions.tuteehub.com/tag/finishing-989352" style="font-weight:bold;" target="_blank" title="Click to know more about FINISHING">FINISHING</a> <a href="https://interviewquestions.tuteehub.com/tag/operation-1136889" style="font-weight:bold;" target="_blank" title="Click to know more about OPERATION">OPERATION</a> is <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> burnishing.</p></body></html>
108.

Which of the following characteristics of light remains unchanged when light travels from vaccum enters water?

Answer» <html><body><p> Frequency</p><br/><br/><p>Frequency of <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> remains <a href="https://interviewquestions.tuteehub.com/tag/unchanged-2316761" style="font-weight:bold;" target="_blank" title="Click to know more about UNCHANGED">UNCHANGED</a> when light <a href="https://interviewquestions.tuteehub.com/tag/travels-1426842" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVELS">TRAVELS</a> from vaccum enters water.</p></body></html>
109.

The sky appears blue due to

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/rayleigh-619838" style="font-weight:bold;" target="_blank" title="Click to know more about RAYLEIGH">RAYLEIGH</a> <a href="https://interviewquestions.tuteehub.com/tag/scattering-18435" style="font-weight:bold;" target="_blank" title="Click to know more about SCATTERING">SCATTERING</a></p><br/><br/><p>The sky appears <a href="https://interviewquestions.tuteehub.com/tag/blue-899773" style="font-weight:bold;" target="_blank" title="Click to know more about BLUE">BLUE</a> <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to Rayleigh scattering.</p></body></html>
110.

To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor

Answer» <html><body><p> Should be made of a good <a href="https://interviewquestions.tuteehub.com/tag/conductor-928880" style="font-weight:bold;" target="_blank" title="Click to know more about CONDUCTOR">CONDUCTOR</a> like copper with sharp-pointed <a href="https://interviewquestions.tuteehub.com/tag/edges-965708" style="font-weight:bold;" target="_blank" title="Click to know more about EDGES">EDGES</a></p><br/><br/><p>To prevent damage from lightning, lightning conductors are used on <a href="https://interviewquestions.tuteehub.com/tag/tall-1238635" style="font-weight:bold;" target="_blank" title="Click to know more about TALL">TALL</a> structures. The lightning conductor should be made of a good conductor like copper with sharp-pointed edges.</p></body></html>
111.

Anemometer is used to measure

Answer» <html><body><p> Wind velocity</p><br/><br/><p>An anemometer is an instrument that measures wind <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> and wind <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a>. Anemometers are <a href="https://interviewquestions.tuteehub.com/tag/important-1038039" style="font-weight:bold;" target="_blank" title="Click to know more about IMPORTANT">IMPORTANT</a> tools for meteorologists, who study weather <a href="https://interviewquestions.tuteehub.com/tag/patterns-1149114" style="font-weight:bold;" target="_blank" title="Click to know more about PATTERNS">PATTERNS</a>. They are also important to the work of physicists, who study the <a href="https://interviewquestions.tuteehub.com/tag/way-1450548" style="font-weight:bold;" target="_blank" title="Click to know more about WAY">WAY</a> air moves.</p></body></html>
112.

In a magnetic field, the direction of motion of a current carrying conductor is given by

Answer» <html><body><p> Flemings left <a href="https://interviewquestions.tuteehub.com/tag/hand-1015171" style="font-weight:bold;" target="_blank" title="Click to know more about HAND">HAND</a> <a href="https://interviewquestions.tuteehub.com/tag/rule-1192038" style="font-weight:bold;" target="_blank" title="Click to know more about RULE">RULE</a></p><br/><br/><p>In a <a href="https://interviewquestions.tuteehub.com/tag/magnetic-551115" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNETIC">MAGNETIC</a> <a href="https://interviewquestions.tuteehub.com/tag/field-987291" style="font-weight:bold;" target="_blank" title="Click to know more about FIELD">FIELD</a>, the direction of motion of a current carrying <a href="https://interviewquestions.tuteehub.com/tag/conductor-928880" style="font-weight:bold;" target="_blank" title="Click to know more about CONDUCTOR">CONDUCTOR</a> is given by Flemings left hand rule.</p></body></html>
113.

A wire carrying current is

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/neutral-1114358" style="font-weight:bold;" target="_blank" title="Click to know more about NEUTRAL">NEUTRAL</a></p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/wire-1457703" style="font-weight:bold;" target="_blank" title="Click to know more about WIRE">WIRE</a> <a href="https://interviewquestions.tuteehub.com/tag/carrying-909956" style="font-weight:bold;" target="_blank" title="Click to know more about CARRYING">CARRYING</a> <a href="https://interviewquestions.tuteehub.com/tag/current-940804" style="font-weight:bold;" target="_blank" title="Click to know more about CURRENT">CURRENT</a> is neutral.</p></body></html>
114.

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will

Answer» <html><body><p> Increase</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/metal-1094457" style="font-weight:bold;" target="_blank" title="Click to know more about METAL">METAL</a> ball can be considered to be made up of several layers of thinner <a href="https://interviewquestions.tuteehub.com/tag/ones-1133582" style="font-weight:bold;" target="_blank" title="Click to know more about ONES">ONES</a>. On heating each of these layers will increase in <a href="https://interviewquestions.tuteehub.com/tag/radius-1176229" style="font-weight:bold;" target="_blank" title="Click to know more about RADIUS">RADIUS</a>. As the inner most layer <a href="https://interviewquestions.tuteehub.com/tag/also-373387" style="font-weight:bold;" target="_blank" title="Click to know more about ALSO">ALSO</a> increases its radius, the <a href="https://interviewquestions.tuteehub.com/tag/volume-728707" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUME">VOLUME</a> inside it i.e, the volume of the hollow portion will also increase.</p></body></html>
115.

The S.I. unit of electric charge is :

Answer» <html><body><p> Coulomb</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/electric-967871" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRIC">ELECTRIC</a> charge has the dimension electric current time. The <a href="https://interviewquestions.tuteehub.com/tag/si-630826" style="font-weight:bold;" target="_blank" title="Click to know more about SI">SI</a> derived <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> of electric charge is the coulomb, which is defined as an <a href="https://interviewquestions.tuteehub.com/tag/ampere-374815" style="font-weight:bold;" target="_blank" title="Click to know more about AMPERE">AMPERE</a> second.</p></body></html>
116.

Which one of the following is responsible for the working of Newton's colour disc experiment ?

Answer» <html><body><p> Persistence of vision</p><br/><br/><p>A Newton <a href="https://interviewquestions.tuteehub.com/tag/disc-955290" style="font-weight:bold;" target="_blank" title="Click to know more about DISC">DISC</a> can be created by <a href="https://interviewquestions.tuteehub.com/tag/painting-16378" style="font-weight:bold;" target="_blank" title="Click to know more about PAINTING">PAINTING</a> a disc with the seven different colours. A combination of red, green and <a href="https://interviewquestions.tuteehub.com/tag/blue-899773" style="font-weight:bold;" target="_blank" title="Click to know more about BLUE">BLUE</a> in the circular disc will yield the same result. This is <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to the <a href="https://interviewquestions.tuteehub.com/tag/phenomenon-599568" style="font-weight:bold;" target="_blank" title="Click to know more about PHENOMENON">PHENOMENON</a> called persistence of vision.</p></body></html>
117.

What is the minimum escape velocity of rocket to be launched into space ?

Answer» <html><body><p> 11 Km/Sec.</p><br/><br/><p>A spacecraft leaving the <a href="https://interviewquestions.tuteehub.com/tag/surface-1235573" style="font-weight:bold;" target="_blank" title="Click to know more about SURFACE">SURFACE</a> of Earth, for example, needs to be going about 11 kilometers (7 miles) <a href="https://interviewquestions.tuteehub.com/tag/per-590802" style="font-weight:bold;" target="_blank" title="Click to know more about PER">PER</a> second, or over 40,000 kilometers per hour (25,000 miles per hour), to enter orbit. <a href="https://interviewquestions.tuteehub.com/tag/achieving-7279732" style="font-weight:bold;" target="_blank" title="Click to know more about ACHIEVING">ACHIEVING</a> <a href="https://interviewquestions.tuteehub.com/tag/escape-975157" style="font-weight:bold;" target="_blank" title="Click to know more about ESCAPE">ESCAPE</a> velocity is one of the biggest challenges <a href="https://interviewquestions.tuteehub.com/tag/facing-982725" style="font-weight:bold;" target="_blank" title="Click to know more about FACING">FACING</a> space travel.</p></body></html>
118.

The swing of a spinning cricket ball in air can be explained on the basis of

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/turbulence-1428970" style="font-weight:bold;" target="_blank" title="Click to know more about TURBULENCE">TURBULENCE</a> caused by wind.</p><br/><br/><p>The main theory of swing bowling <a href="https://interviewquestions.tuteehub.com/tag/surrounded-7263061" style="font-weight:bold;" target="_blank" title="Click to know more about SURROUNDED">SURROUNDED</a> turbulent and laminar airflow. Laminar air separates from the surface of the ball earlier than turbulent flow air, so that the separation point moves toward the <a href="https://interviewquestions.tuteehub.com/tag/front-1000768" style="font-weight:bold;" target="_blank" title="Click to know more about FRONT">FRONT</a> of the ball on the laminar side. On the turbulent flow side it remains towards the back; <a href="https://interviewquestions.tuteehub.com/tag/inducing-7309040" style="font-weight:bold;" target="_blank" title="Click to know more about INDUCING">INDUCING</a> a greater lift force on the turbulent airflow side of the ball. The calculated net lift force is not enough to account for the amount of swing observed: <a href="https://interviewquestions.tuteehub.com/tag/additional-367648" style="font-weight:bold;" target="_blank" title="Click to know more about ADDITIONAL">ADDITIONAL</a> force is provided by the pressure-gradient force.</p></body></html>
119.

Bubbles of air rise up through liquids due to

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/viscosity-13767" style="font-weight:bold;" target="_blank" title="Click to know more about VISCOSITY">VISCOSITY</a> and <a href="https://interviewquestions.tuteehub.com/tag/buoyancy-14999" style="font-weight:bold;" target="_blank" title="Click to know more about BUOYANCY">BUOYANCY</a></p><br/><br/><p>Bubbles of air rise up through <a href="https://interviewquestions.tuteehub.com/tag/liquids-1075502" style="font-weight:bold;" target="_blank" title="Click to know more about LIQUIDS">LIQUIDS</a> <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to viscosity and buoyancy.</p></body></html>
120.

Moving electric charge produces :

Answer» <html><body><p> Magnetic field</p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/moving-548882" style="font-weight:bold;" target="_blank" title="Click to know more about MOVING">MOVING</a> <a href="https://interviewquestions.tuteehub.com/tag/charged-7263949" style="font-weight:bold;" target="_blank" title="Click to know more about CHARGED">CHARGED</a> <a href="https://interviewquestions.tuteehub.com/tag/particle-1147478" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLE">PARTICLE</a> <a href="https://interviewquestions.tuteehub.com/tag/produces-1167808" style="font-weight:bold;" target="_blank" title="Click to know more about PRODUCES">PRODUCES</a> a magnetic field.</p></body></html>
121.

Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be

Answer» <html><body><p> At a higher level in water</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/density-17451" style="font-weight:bold;" target="_blank" title="Click to know more about DENSITY">DENSITY</a> of water is <a href="https://interviewquestions.tuteehub.com/tag/approx-882876" style="font-weight:bold;" target="_blank" title="Click to know more about APPROX">APPROX</a> 1g/ml; Density of <a href="https://interviewquestions.tuteehub.com/tag/ice-1035302" style="font-weight:bold;" target="_blank" title="Click to know more about ICE">ICE</a> is approx 0.93g/ml; and Density of 100% pure ethanol is 0.79g/ml. So the density of ice cubes is lesser than water, but higher than alcohol. So it will float in water, but sink in alcohol. This can also be put as: The ice cube will float higher in water as compared to alcohol.</p></body></html>
122.

Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ?

Answer» <html><body><p> Ionosphere</p><br/><br/><p>Ionosphere <a href="https://interviewquestions.tuteehub.com/tag/reflect-613778" style="font-weight:bold;" target="_blank" title="Click to know more about REFLECT">REFLECT</a> back the radio <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a> to the <a href="https://interviewquestions.tuteehub.com/tag/earth-13129" style="font-weight:bold;" target="_blank" title="Click to know more about EARTH">EARTH</a>'s surface.</p></body></html>
123.

Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/thomson-708787" style="font-weight:bold;" target="_blank" title="Click to know more about THOMSON">THOMSON</a> effect</p><br/><br/><p>Due to temperature <a href="https://interviewquestions.tuteehub.com/tag/variation-1443254" style="font-weight:bold;" target="_blank" title="Click to know more about VARIATION">VARIATION</a> along a conductor, potential variation occurs along it. This <a href="https://interviewquestions.tuteehub.com/tag/phenomenon-599568" style="font-weight:bold;" target="_blank" title="Click to know more about PHENOMENON">PHENOMENON</a> is known as Thomson effect.</p></body></html>
124.

Formula for distance is

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a></p><br/><br/><p>Formula for <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a> is speed x time.</p></body></html>
125.

If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?

Answer» <html><body><p> Increases</p><br/><br/><p>When a metal <a href="https://interviewquestions.tuteehub.com/tag/plate-1156364" style="font-weight:bold;" target="_blank" title="Click to know more about PLATE">PLATE</a> with a <a href="https://interviewquestions.tuteehub.com/tag/circular-916697" style="font-weight:bold;" target="_blank" title="Click to know more about CIRCULAR">CIRCULAR</a> hole at its centre is heated, definitely along with the areal <a href="https://interviewquestions.tuteehub.com/tag/expansion-980011" style="font-weight:bold;" target="_blank" title="Click to know more about EXPANSION">EXPANSION</a> of the plate the diameter of the circular hole also increases. Using the differential equations of <a href="https://interviewquestions.tuteehub.com/tag/coefficients-920961" style="font-weight:bold;" target="_blank" title="Click to know more about COEFFICIENTS">COEFFICIENTS</a> of expansions, we find that the hole radius increases at the same <a href="https://interviewquestions.tuteehub.com/tag/linear-1074458" style="font-weight:bold;" target="_blank" title="Click to know more about LINEAR">LINEAR</a> rate as the metal.</p></body></html>
126.

Thermal expansion of materials arises from

Answer» <html><body><p> Asymmetry of potential <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> <a href="https://interviewquestions.tuteehub.com/tag/curve-941741" style="font-weight:bold;" target="_blank" title="Click to know more about CURVE">CURVE</a></p><br/><br/><p>Thermal <a href="https://interviewquestions.tuteehub.com/tag/expansion-980011" style="font-weight:bold;" target="_blank" title="Click to know more about EXPANSION">EXPANSION</a> of <a href="https://interviewquestions.tuteehub.com/tag/materials-1089380" style="font-weight:bold;" target="_blank" title="Click to know more about MATERIALS">MATERIALS</a> <a href="https://interviewquestions.tuteehub.com/tag/arises-884113" style="font-weight:bold;" target="_blank" title="Click to know more about ARISES">ARISES</a> from asymmetry of potential energy curve.</p></body></html>
127.

The magnifying power of an astronomical telescope can be decreased by

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/increasing-1040633" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASING">INCREASING</a> the focal <a href="https://interviewquestions.tuteehub.com/tag/length-1071524" style="font-weight:bold;" target="_blank" title="Click to know more about LENGTH">LENGTH</a> of the eyepiece</p><br/><br/><p>Increasing the focal length of objective increases the magnifying <a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a> of the telescope. Increasing the focal length of the eye-piece <a href="https://interviewquestions.tuteehub.com/tag/decrease-946104" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASE">DECREASE</a> the magnifying power of telescope.</p></body></html>
128.

When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is

Answer» <html><body><p> Scattering of light</p><br/><br/><p>The red colour in the sky at sunset (and sunrise) is <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to an <a href="https://interviewquestions.tuteehub.com/tag/effect-966056" style="font-weight:bold;" target="_blank" title="Click to know more about EFFECT">EFFECT</a> called Rayleigh scattering. There is a <a href="https://interviewquestions.tuteehub.com/tag/similar-1207900" style="font-weight:bold;" target="_blank" title="Click to know more about SIMILAR">SIMILAR</a> form of scattering called <a href="https://interviewquestions.tuteehub.com/tag/mie-547953" style="font-weight:bold;" target="_blank" title="Click to know more about MIE">MIE</a> scattering which is responsible for the white colour of <a href="https://interviewquestions.tuteehub.com/tag/clouds-919894" style="font-weight:bold;" target="_blank" title="Click to know more about CLOUDS">CLOUDS</a>.</p></body></html>
129.

Convex mirror is generally used in ________

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/rear-1179044" style="font-weight:bold;" target="_blank" title="Click to know more about REAR">REAR</a> <a href="https://interviewquestions.tuteehub.com/tag/view-1446292" style="font-weight:bold;" target="_blank" title="Click to know more about VIEW">VIEW</a> <a href="https://interviewquestions.tuteehub.com/tag/mirror-1098189" style="font-weight:bold;" target="_blank" title="Click to know more about MIRROR">MIRROR</a></p><br/><br/><p>Convex mirror is <a href="https://interviewquestions.tuteehub.com/tag/generally-471963" style="font-weight:bold;" target="_blank" title="Click to know more about GENERALLY">GENERALLY</a> <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> in rear view mirror.</p></body></html>
130.

What are the particles emitted by radioactive element after 3 consecutive disintegration?

Answer» <html><body><p> 2 <a href="https://interviewquestions.tuteehub.com/tag/beta-2557" style="font-weight:bold;" target="_blank" title="Click to know more about BETA">BETA</a> <a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a> alpha</p><br/><br/><p>2 beta and 1 alpha emitted by radioactive <a href="https://interviewquestions.tuteehub.com/tag/element-969236" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENT">ELEMENT</a> after 3 consecutive <a href="https://interviewquestions.tuteehub.com/tag/disintegration-440598" style="font-weight:bold;" target="_blank" title="Click to know more about DISINTEGRATION">DISINTEGRATION</a>.</p></body></html>
131.

Radiocarbon dating technique is used to estimate the age of

Answer» <html><body><p> Fossils</p><br/><br/><p>Radiocarbon <a href="https://interviewquestions.tuteehub.com/tag/dating-944700" style="font-weight:bold;" target="_blank" title="Click to know more about DATING">DATING</a> technique is <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> to <a href="https://interviewquestions.tuteehub.com/tag/estimate-25704" style="font-weight:bold;" target="_blank" title="Click to know more about ESTIMATE">ESTIMATE</a> the <a href="https://interviewquestions.tuteehub.com/tag/age-851457" style="font-weight:bold;" target="_blank" title="Click to know more about AGE">AGE</a> of fossils.</p></body></html>
132.

If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will

Answer» <html><body><p> Fall into his hand</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/ball-891849" style="font-weight:bold;" target="_blank" title="Click to know more about BALL">BALL</a> is <a href="https://interviewquestions.tuteehub.com/tag/thrown-7258593" style="font-weight:bold;" target="_blank" title="Click to know more about THROWN">THROWN</a> in vertically upward direction and <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> that the train is moving up with a constant velocity. Therefore, the horizontal velocity of the train and ball are both same. And, the ball <a href="https://interviewquestions.tuteehub.com/tag/travels-1426842" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVELS">TRAVELS</a> the same horizontal distance as that of the train. Therefore, the ball will come back into the hands of <a href="https://interviewquestions.tuteehub.com/tag/thrower-3217135" style="font-weight:bold;" target="_blank" title="Click to know more about THROWER">THROWER</a>.</p></body></html>
133.

What property of matter is momentum related to?

Answer» <html><body><p> Both A &amp; B</p><br/><br/><p>Momentum is <a href="https://interviewquestions.tuteehub.com/tag/relatedbrbr-2983848" style="font-weight:bold;" target="_blank" title="Click to know more about RELATED">RELATED</a> to <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> and <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a>.</p></body></html>
134.

An image formed by a plane mirror, that cannot be obtained on a screen is called ________

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/virtual-673" style="font-weight:bold;" target="_blank" title="Click to know more about VIRTUAL">VIRTUAL</a> image</p><br/><br/><p>A virtual image is <a href="https://interviewquestions.tuteehub.com/tag/formed-464209" style="font-weight:bold;" target="_blank" title="Click to know more about FORMED">FORMED</a> when <a href="https://interviewquestions.tuteehub.com/tag/reflected-2982114" style="font-weight:bold;" target="_blank" title="Click to know more about REFLECTED">REFLECTED</a> rays appear to meet. Such images cannot be obtained on screen. <a href="https://interviewquestions.tuteehub.com/tag/plane-1155510" style="font-weight:bold;" target="_blank" title="Click to know more about PLANE">PLANE</a> mirrors, <a href="https://interviewquestions.tuteehub.com/tag/convex-933348" style="font-weight:bold;" target="_blank" title="Click to know more about CONVEX">CONVEX</a> mirror and concave lens always forms virtual image.</p></body></html>
135.

Speed of light is maximum in ________

Answer» <html><body><p> Vacuum</p><br/><br/><p>Light travels <a href="https://interviewquestions.tuteehub.com/tag/faster-985028" style="font-weight:bold;" target="_blank" title="Click to know more about FASTER">FASTER</a> in vacuum as compared to any other medium. This is because there is no obstruction in the propagation of light in vacuum as there is no <a href="https://interviewquestions.tuteehub.com/tag/matter-22749" style="font-weight:bold;" target="_blank" title="Click to know more about MATTER">MATTER</a> in vacuum and also, because the <a href="https://interviewquestions.tuteehub.com/tag/refractive-2247079" style="font-weight:bold;" target="_blank" title="Click to know more about REFRACTIVE">REFRACTIVE</a> <a href="https://interviewquestions.tuteehub.com/tag/index-505893" style="font-weight:bold;" target="_blank" title="Click to know more about INDEX">INDEX</a> of vacuum is the lowest i.e. equal to unity.</p></body></html>
136.

It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/newton-11212" style="font-weight:bold;" target="_blank" title="Click to know more about NEWTON">NEWTON</a>'s third <a href="https://interviewquestions.tuteehub.com/tag/law-184" style="font-weight:bold;" target="_blank" title="Click to know more about LAW">LAW</a></p><br/><br/><p>Newton's third law supports this statement.<br/>When the wooden <a href="https://interviewquestions.tuteehub.com/tag/block-18865" style="font-weight:bold;" target="_blank" title="Click to know more about BLOCK">BLOCK</a> is not resting against a support, the block and nails both <a href="https://interviewquestions.tuteehub.com/tag/move-548879" style="font-weight:bold;" target="_blank" title="Click to know more about MOVE">MOVE</a> forward on being hit with a hammer. However, when the block is held firmly against a support, and the nail is hit, an equal reaction of the support <a href="https://interviewquestions.tuteehub.com/tag/drives-959782" style="font-weight:bold;" target="_blank" title="Click to know more about DRIVES">DRIVES</a> the nail into the block.</p></body></html>
137.

What is the direction of torque?

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/perpendicular-598789" style="font-weight:bold;" target="_blank" title="Click to know more about PERPENDICULAR">PERPENDICULAR</a> to the <a href="https://interviewquestions.tuteehub.com/tag/direction-1696" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTION">DIRECTION</a> of <a href="https://interviewquestions.tuteehub.com/tag/applied-380664" style="font-weight:bold;" target="_blank" title="Click to know more about APPLIED">APPLIED</a> <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a></p><br/><br/><p>The direction of torque is perpendicular to the direction of applied force.</p></body></html>
138.

Which of the following occurred first ?

Answer» <html><body><p> Guglielmo Marconi sent out the first wireless signals</p><br/><br/><p>Guglielmo Marconi sent out the first wireless signals. In the early summer of 1895 and despite an intervening hill, Marconi achieved signal transmission and reception over a distance of about 2km. Success was indicated initially by the waving of a <a href="https://interviewquestions.tuteehub.com/tag/handkerchief-481976" style="font-weight:bold;" target="_blank" title="Click to know more about HANDKERCHIEF">HANDKERCHIEF</a> and progressed to the need to fire a gun. The theory of relativity transformed theoretical physics and astronomy during the 20th century. When first published, relativity superseded a 200-year-old theory of mechanics stated by Isaac Newton. In 1900 Max Planck made a profound discovery in modern physics / Quantum Theory. He showed (from <a href="https://interviewquestions.tuteehub.com/tag/purely-2962981" style="font-weight:bold;" target="_blank" title="Click to know more about PURELY">PURELY</a> formal / mathematical foundations) that light must be emitted and absorbed in discrete amounts if it was to correctly describe <a href="https://interviewquestions.tuteehub.com/tag/observed-582965" style="font-weight:bold;" target="_blank" title="Click to know more about OBSERVED">OBSERVED</a> phenomena (i.e. Blackbody radiation). The Wright brothers, Orville (August 19, 1871 – January 30, 1948) and Wilbur (April 16, 1867 – May 30, 1912), were two American brothers, inventors, and aviation pioneers who were credited with inventing and <a href="https://interviewquestions.tuteehub.com/tag/building-905221" style="font-weight:bold;" target="_blank" title="Click to know more about BUILDING">BUILDING</a> the world’s first successful airplane and making the first controlled, powered and sustained heavier-than-air <a href="https://interviewquestions.tuteehub.com/tag/human-1032714" style="font-weight:bold;" target="_blank" title="Click to know more about HUMAN">HUMAN</a> flight, on December 17, 1903.</p></body></html>
139.

According to the quantum theory of light, the energy of light is carried in discrete units are called

Answer» <html><body><p> Photons</p><br/><br/><p>According to the quantum theory of light, <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> of light is <a href="https://interviewquestions.tuteehub.com/tag/carried-7257188" style="font-weight:bold;" target="_blank" title="Click to know more about CARRIED">CARRIED</a> in <a href="https://interviewquestions.tuteehub.com/tag/discrete-955538" style="font-weight:bold;" target="_blank" title="Click to know more about DISCRETE">DISCRETE</a> units <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> photons.</p></body></html>
140.

ML2T-2 is the dimensional formula for

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/couple-937817" style="font-weight:bold;" target="_blank" title="Click to know more about COUPLE">COUPLE</a> <a href="https://interviewquestions.tuteehub.com/tag/acting-269" style="font-weight:bold;" target="_blank" title="Click to know more about ACTING">ACTING</a> on a <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a></p><br/><br/><p>ML<sup>2</sup>T<sup>-2</sup> is the <a href="https://interviewquestions.tuteehub.com/tag/dimensional-2582799" style="font-weight:bold;" target="_blank" title="Click to know more about DIMENSIONAL">DIMENSIONAL</a> <a href="https://interviewquestions.tuteehub.com/tag/formula-464310" style="font-weight:bold;" target="_blank" title="Click to know more about FORMULA">FORMULA</a> for couple acting on a body.</p></body></html>
141.

Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/convection-425641" style="font-weight:bold;" target="_blank" title="Click to know more about CONVECTION">CONVECTION</a></p><br/><br/><p>Heat is <a href="https://interviewquestions.tuteehub.com/tag/transferred-2310410" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSFERRED">TRANSFERRED</a> in the liquid and gases from a region of higher temperature to a region of lower temperature. Convection heat <a href="https://interviewquestions.tuteehub.com/tag/transfer-1425652" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSFER">TRANSFER</a> occurs <a href="https://interviewquestions.tuteehub.com/tag/partly-7266898" style="font-weight:bold;" target="_blank" title="Click to know more about PARTLY">PARTLY</a> due to the actual movement of molecules or due to the mass transfer.</p></body></html>
142.

A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ?

Answer» <html><body><p> 2 metres</p><br/><br/><p>The potential <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> of a body when <a href="https://interviewquestions.tuteehub.com/tag/raised-2242366" style="font-weight:bold;" target="_blank" title="Click to know more about RAISED">RAISED</a> through height h is given by mgh. Each <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>, a normal rubber ball hits the floor, it loses one-fifth of its total energy and the rebound height is proportional to energy, so each <a href="https://interviewquestions.tuteehub.com/tag/bounce-903144" style="font-weight:bold;" target="_blank" title="Click to know more about BOUNCE">BOUNCE</a> will rebound to four-fifth of the previous bounce. But, the question states that there is no loss of energy/velocity after rebounding. So the height of 2 metres will be <a href="https://interviewquestions.tuteehub.com/tag/maintained-2162867" style="font-weight:bold;" target="_blank" title="Click to know more about MAINTAINED">MAINTAINED</a>.</p></body></html>
143.

For an ideal gas, which one of the following statements does not hold true?

Answer» <html><body><p> The <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> of all <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a> <a href="https://interviewquestions.tuteehub.com/tag/molecules-563030" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULES">MOLECULES</a> is same</p><br/><br/><p>"The speed of all gas molecules is same" is not a <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> <a href="https://interviewquestions.tuteehub.com/tag/statement-16478" style="font-weight:bold;" target="_blank" title="Click to know more about STATEMENT">STATEMENT</a>.</p></body></html>
144.

In MRI machine, which one of the following is used?

Answer» <html><body><p> Magnetic wave</p><br/><br/><p>Magnetic resonance imaging (MRI), nuclear magnetic resonance imaging (<a href="https://interviewquestions.tuteehub.com/tag/nmri-3747392" style="font-weight:bold;" target="_blank" title="Click to know more about NMRI">NMRI</a>), or magnetic resonance tomography (MRT) is a medical imaging technique used in radiology to visualize internal structures of the body in <a href="https://interviewquestions.tuteehub.com/tag/detail-25539" style="font-weight:bold;" target="_blank" title="Click to know more about DETAIL">DETAIL</a>. MRI <a href="https://interviewquestions.tuteehub.com/tag/makes-2811811" style="font-weight:bold;" target="_blank" title="Click to know more about MAKES">MAKES</a> use of the property of nuclear magnetic resonance (NMR) to image nuclei of atoms inside the body. An MRI scanner is a device in which the patient lies within a large, <a href="https://interviewquestions.tuteehub.com/tag/powerful-1161984" style="font-weight:bold;" target="_blank" title="Click to know more about POWERFUL">POWERFUL</a> magnet where the magnetic field is used to align the magnetization of some atomic nuclei in the body, and radio frequency fields to systematically alter the alignment of this magnetization. This causes the nuclei to produce a rotating magnetic field detectable by the scanner—and this information is recorded to <a href="https://interviewquestions.tuteehub.com/tag/construct-930965" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTRUCT">CONSTRUCT</a> an image of the scanned area of the body.</p></body></html>
145.

Which of the following waves cannot be polarised?

Answer» <html><body><p> Ultrasonic</p><br/><br/><p>Only transverse waves (such as radio, ultraviolet and <a href="https://interviewquestions.tuteehub.com/tag/infrared-515961" style="font-weight:bold;" target="_blank" title="Click to know more about INFRARED">INFRARED</a> waves) can be polarized since their vibrations can potentially <a href="https://interviewquestions.tuteehub.com/tag/occur-583012" style="font-weight:bold;" target="_blank" title="Click to know more about OCCUR">OCCUR</a> in all <a href="https://interviewquestions.tuteehub.com/tag/directions-955033" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTIONS">DIRECTIONS</a> perpendicular to the direction of travel. It is therefore possible to confine the vibrations to a single plane. However, <a href="https://interviewquestions.tuteehub.com/tag/sound-648690" style="font-weight:bold;" target="_blank" title="Click to know more about SOUND">SOUND</a> waves are longitudinal in which vibrations are parallel to the direction of travel of the <a href="https://interviewquestions.tuteehub.com/tag/wave-22399" style="font-weight:bold;" target="_blank" title="Click to know more about WAVE">WAVE</a>. The vibrations of a longitudinal wave occur along a single line, it is therefore not possible to confine that to a plane. So it cannot be polarized.</p></body></html>
146.

The force that generates wind is

Answer» <html><body><p> Pressure gradient <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a></p><br/><br/><p>The force that generates <a href="https://interviewquestions.tuteehub.com/tag/wind-1457295" style="font-weight:bold;" target="_blank" title="Click to know more about WIND">WIND</a> is pressure gradient force.</p></body></html>
147.

Who gave the Theory of Relativity?

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/albert-370993" style="font-weight:bold;" target="_blank" title="Click to know more about ALBERT">ALBERT</a> Einstein</p><br/><br/><p>In 1905, Albert Einstein determined that the laws of physics are the same for all non-accelerating <a href="https://interviewquestions.tuteehub.com/tag/observers-1127636" style="font-weight:bold;" target="_blank" title="Click to know more about OBSERVERS">OBSERVERS</a>, and that the speed of light in a vacuum was independent of the motion of all observers. This was the <a href="https://interviewquestions.tuteehub.com/tag/theory-706806" style="font-weight:bold;" target="_blank" title="Click to know more about THEORY">THEORY</a> of special <a href="https://interviewquestions.tuteehub.com/tag/relativity-1183718" style="font-weight:bold;" target="_blank" title="Click to know more about RELATIVITY">RELATIVITY</a>.</p></body></html>
148.

The shape of our milky way galaxy is

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/spiral-25522" style="font-weight:bold;" target="_blank" title="Click to know more about SPIRAL">SPIRAL</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/shape-1204673" style="font-weight:bold;" target="_blank" title="Click to know more about SHAPE">SHAPE</a> of our <a href="https://interviewquestions.tuteehub.com/tag/milky-547992" style="font-weight:bold;" target="_blank" title="Click to know more about MILKY">MILKY</a> <a href="https://interviewquestions.tuteehub.com/tag/way-1450548" style="font-weight:bold;" target="_blank" title="Click to know more about WAY">WAY</a> <a href="https://interviewquestions.tuteehub.com/tag/galaxy-469997" style="font-weight:bold;" target="_blank" title="Click to know more about GALAXY">GALAXY</a> is spiral.</p></body></html>
149.

Velocity of sound in air does not depend on

Answer» <html><body><p> Pressure of air</p><br/><br/><p>Assuming air to be an <a href="https://interviewquestions.tuteehub.com/tag/ideal-1035490" style="font-weight:bold;" target="_blank" title="Click to know more about IDEAL">IDEAL</a> gas, the <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> of sound <a href="https://interviewquestions.tuteehub.com/tag/depends-948548" style="font-weight:bold;" target="_blank" title="Click to know more about DEPENDS">DEPENDS</a> on <a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a> only. As air temperature increases, so does the speed of sound and vice versa. The speed of sound is <a href="https://interviewquestions.tuteehub.com/tag/completely-409686" style="font-weight:bold;" target="_blank" title="Click to know more about COMPLETELY">COMPLETELY</a> independent of air pressure because the air pressure and air density are proportional to each other at the same temperature.</p></body></html>
150.

The ordinary and maximum tolerance limit of sound by human being is

Answer» <html><body><p> 60 <a href="https://interviewquestions.tuteehub.com/tag/db-430813" style="font-weight:bold;" target="_blank" title="Click to know more about DB">DB</a> to 80 db (decibel)</p><br/><br/><p>The ordinary and <a href="https://interviewquestions.tuteehub.com/tag/maximum-556915" style="font-weight:bold;" target="_blank" title="Click to know more about MAXIMUM">MAXIMUM</a> tolerance <a href="https://interviewquestions.tuteehub.com/tag/limit-1074025" style="font-weight:bold;" target="_blank" title="Click to know more about LIMIT">LIMIT</a> of <a href="https://interviewquestions.tuteehub.com/tag/sound-648690" style="font-weight:bold;" target="_blank" title="Click to know more about SOUND">SOUND</a> by <a href="https://interviewquestions.tuteehub.com/tag/human-1032714" style="font-weight:bold;" target="_blank" title="Click to know more about HUMAN">HUMAN</a> being is 60 db to 80 db (decibel).</p></body></html>