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351.

Hydraulic brakes work on the principle of

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/pascal-596772" style="font-weight:bold;" target="_blank" title="Click to know more about PASCAL">PASCAL</a>'s <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>Hydraulic <a href="https://interviewquestions.tuteehub.com/tag/brakes-14257" style="font-weight:bold;" target="_blank" title="Click to know more about BRAKES">BRAKES</a> <a href="https://interviewquestions.tuteehub.com/tag/work-20377" style="font-weight:bold;" target="_blank" title="Click to know more about WORK">WORK</a> on the <a href="https://interviewquestions.tuteehub.com/tag/principle-1166255" style="font-weight:bold;" target="_blank" title="Click to know more about PRINCIPLE">PRINCIPLE</a> of Pascal's law.</p></body></html>
Discussion
352.

The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall

Answer» <html><body><p> Increases with depth of the wall</p><br/><br/><p>The pressure applied to <a href="https://interviewquestions.tuteehub.com/tag/walls-1448732" style="font-weight:bold;" target="_blank" title="Click to know more about WALLS">WALLS</a> of the dam will be a function of the <a href="https://interviewquestions.tuteehub.com/tag/amount-374803" style="font-weight:bold;" target="_blank" title="Click to know more about AMOUNT">AMOUNT</a> of water that is over that <a href="https://interviewquestions.tuteehub.com/tag/particular-1147539" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICULAR">PARTICULAR</a> point on the wall. So water pressure is very <a href="https://interviewquestions.tuteehub.com/tag/large-1066424" style="font-weight:bold;" target="_blank" title="Click to know more about LARGE">LARGE</a> at the bottom due to its large depth. That's why dams are constructed thicker at their bottoms than at their <a href="https://interviewquestions.tuteehub.com/tag/tops-1422391" style="font-weight:bold;" target="_blank" title="Click to know more about TOPS">TOPS</a>.</p></body></html>
Discussion
353.

Which phenomenon is responsible for the echo of sound wave?

Answer» <html><body><p> Reflection</p><br/><br/><p>Reflection is <a href="https://interviewquestions.tuteehub.com/tag/responsible-613932" style="font-weight:bold;" target="_blank" title="Click to know more about RESPONSIBLE">RESPONSIBLE</a> for the <a href="https://interviewquestions.tuteehub.com/tag/echo-11626" style="font-weight:bold;" target="_blank" title="Click to know more about ECHO">ECHO</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> <a href="https://interviewquestions.tuteehub.com/tag/wave-22399" style="font-weight:bold;" target="_blank" title="Click to know more about WAVE">WAVE</a>.</p></body></html>
Discussion
354.

The humidity of the air depends upon

Answer» <html><body><p> All of the above</p><br/><br/><p>The humidity of the <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> depends <a href="https://interviewquestions.tuteehub.com/tag/upon-2315586" style="font-weight:bold;" target="_blank" title="Click to know more about UPON">UPON</a> <a href="https://interviewquestions.tuteehub.com/tag/weather-1450884" style="font-weight:bold;" target="_blank" title="Click to know more about WEATHER">WEATHER</a>, <a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a> and location.</p></body></html>
Discussion
355.

The recoiling of gun is an example of which of the following?

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/law-184" style="font-weight:bold;" target="_blank" title="Click to know more about LAW">LAW</a> of Conservation of Linear <a href="https://interviewquestions.tuteehub.com/tag/momentum-1100588" style="font-weight:bold;" target="_blank" title="Click to know more about MOMENTUM">MOMENTUM</a></p><br/><br/><p>The recoiling of gun is an example of Law of Conservation of Linear Momentum. When gun fires a bullet, it experiences 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> in forward direction (action) , as a result the gun <a href="https://interviewquestions.tuteehub.com/tag/exerts-979377" style="font-weight:bold;" target="_blank" title="Click to know more about EXERTS">EXERTS</a> a backward force (reaction) on the <a href="https://interviewquestions.tuteehub.com/tag/shoulder-1206503" style="font-weight:bold;" target="_blank" title="Click to know more about SHOULDER">SHOULDER</a>.</p></body></html>
Discussion
356.

Hydro-electric power is a:

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/renewable-622065" style="font-weight:bold;" target="_blank" title="Click to know more about RENEWABLE">RENEWABLE</a> <a href="https://interviewquestions.tuteehub.com/tag/natural-575613" style="font-weight:bold;" target="_blank" title="Click to know more about NATURAL">NATURAL</a> <a href="https://interviewquestions.tuteehub.com/tag/resource-1186659" style="font-weight:bold;" target="_blank" title="Click to know more about RESOURCE">RESOURCE</a></p><br/><br/><p>Hydro-electric <a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a> is a renewable natural resource.</p></body></html>
Discussion
357.

What should a person on a freely rotating turn table do to decrease his (angular) speed ?

Answer» <html><body><p> Spread his <a href="https://interviewquestions.tuteehub.com/tag/hands-1015365" style="font-weight:bold;" target="_blank" title="Click to know more about HANDS">HANDS</a> outwards</p><br/><br/><p>When a person on a turn table will raise his hands, there will be <a href="https://interviewquestions.tuteehub.com/tag/increase-1040383" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASE">INCREASE</a> in the momentum of <a href="https://interviewquestions.tuteehub.com/tag/inertia-1043176" style="font-weight:bold;" target="_blank" title="Click to know more about INERTIA">INERTIA</a>. Hence, the angular velocity of the <a href="https://interviewquestions.tuteehub.com/tag/turntable-1429104" style="font-weight:bold;" target="_blank" title="Click to know more about TURNTABLE">TURNTABLE</a> will decrease.</p></body></html>
Discussion
358.

Which of the following features of a tunnel diode is its drawback?

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/instability-1046034" style="font-weight:bold;" target="_blank" title="Click to know more about INSTABILITY">INSTABILITY</a> due to <a href="https://interviewquestions.tuteehub.com/tag/negative-570381" style="font-weight:bold;" target="_blank" title="Click to know more about NEGATIVE">NEGATIVE</a> resistance</p><br/><br/><p>Instability due to negative resistance of a <a href="https://interviewquestions.tuteehub.com/tag/tunnel-1428834" style="font-weight:bold;" target="_blank" title="Click to know more about TUNNEL">TUNNEL</a> <a href="https://interviewquestions.tuteehub.com/tag/diode-439962" style="font-weight:bold;" target="_blank" title="Click to know more about DIODE">DIODE</a> is its drawback.</p></body></html>
Discussion
359.

Alcohol is more volatile than water because ________ is lower than water.

Answer» <html><body><p> Its <a href="https://interviewquestions.tuteehub.com/tag/boiling-17187" style="font-weight:bold;" target="_blank" title="Click to know more about BOILING">BOILING</a> <a href="https://interviewquestions.tuteehub.com/tag/point-1157106" style="font-weight:bold;" target="_blank" title="Click to know more about POINT">POINT</a></p><br/><br/><p>Alcohol is more <a href="https://interviewquestions.tuteehub.com/tag/volatilebrbr-3264686" style="font-weight:bold;" target="_blank" title="Click to know more about VOLATILE">VOLATILE</a> than <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> because it boiling point is <a href="https://interviewquestions.tuteehub.com/tag/lower-1080637" style="font-weight:bold;" target="_blank" title="Click to know more about LOWER">LOWER</a> than water.</p></body></html>
Discussion
360.

Which one of the following wavelengths of light is most effective in photosynthesis ?

Answer» <html><body><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></p><br/><br/><p>The best wavelengths of visible light for <a href="https://interviewquestions.tuteehub.com/tag/photosynthesis-18681" style="font-weight:bold;" target="_blank" title="Click to know more about PHOTOSYNTHESIS">PHOTOSYNTHESIS</a> fall within the blue range (425–450 nm) and <a href="https://interviewquestions.tuteehub.com/tag/red-613739" style="font-weight:bold;" target="_blank" title="Click to know more about RED">RED</a> range (600–700 nm). Therefore, the best light sources for photosynthesis should ideally <a href="https://interviewquestions.tuteehub.com/tag/emit-970204" style="font-weight:bold;" target="_blank" title="Click to know more about EMIT">EMIT</a> light in the blue and red ranges.</p></body></html>
Discussion
361.

A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

Answer» <html><body><p> The <a href="https://interviewquestions.tuteehub.com/tag/liquid-1075124" style="font-weight:bold;" target="_blank" title="Click to know more about LIQUID">LIQUID</a> <a href="https://interviewquestions.tuteehub.com/tag/surface-1235573" style="font-weight:bold;" target="_blank" title="Click to know more about SURFACE">SURFACE</a> falls down on the direction of <a href="https://interviewquestions.tuteehub.com/tag/motion-1104108" style="font-weight:bold;" target="_blank" title="Click to know more about MOTION">MOTION</a> and rises up on the <a href="https://interviewquestions.tuteehub.com/tag/back-389278" style="font-weight:bold;" target="_blank" title="Click to know more about BACK">BACK</a> side of the <a href="https://interviewquestions.tuteehub.com/tag/tank-1239056" style="font-weight:bold;" target="_blank" title="Click to know more about TANK">TANK</a></p><br/><br/><p>The liquid surface falls down on the direction of motion and rises up on the back side of the tank.</p></body></html>
Discussion
362.

A dynamo is a device which

Answer» <html><body><p> Converts <a href="https://interviewquestions.tuteehub.com/tag/mechanical-2780" style="font-weight:bold;" target="_blank" title="Click to know more about MECHANICAL">MECHANICAL</a> energy into electrical energy</p><br/><br/><p>Dynamo is a <a href="https://interviewquestions.tuteehub.com/tag/device-11244" style="font-weight:bold;" target="_blank" title="Click to know more about DEVICE">DEVICE</a> that converts mechanical energy into electrical energy. Its other name is <a href="https://interviewquestions.tuteehub.com/tag/electric-967871" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRIC">ELECTRIC</a> generator. A device which has a reversed effect to this is the electric motor. An electric motor is a device which converts electric energy to mechanical energy.</p></body></html>
Discussion
363.

A photostat machine works on

Answer» <html><body><p> Electrostatic image making</p><br/><br/><p>All Electrostatic Copiers work under the premise that a charge of electricity is placed on an Image Drum which has the ability to retain the electric charge much like a capacitor holds its charge but with the ability to hold or <a href="https://interviewquestions.tuteehub.com/tag/release-1183763" style="font-weight:bold;" target="_blank" title="Click to know more about RELEASE">RELEASE</a> the charge <a href="https://interviewquestions.tuteehub.com/tag/depending-7263846" style="font-weight:bold;" target="_blank" title="Click to know more about DEPENDING">DEPENDING</a> on how much light and darkness is applied to the Image Drum. A photocopier (also known as a copier or copy machine) is a machine that makes paper copies of documents and other visual images <a href="https://interviewquestions.tuteehub.com/tag/quickly-610723" style="font-weight:bold;" target="_blank" title="Click to know more about QUICKLY">QUICKLY</a> and cheaply. Most current photocopiers use a technology called xerography, a dry process using <a href="https://interviewquestions.tuteehub.com/tag/heat-21102" style="font-weight:bold;" target="_blank" title="Click to know more about HEAT">HEAT</a>. Copiers can also use other <a href="https://interviewquestions.tuteehub.com/tag/technologies-1240490" style="font-weight:bold;" target="_blank" title="Click to know more about TECHNOLOGIES">TECHNOLOGIES</a> such as ink jet, but xerography is standard for office copying.</p></body></html>
Discussion
364.

Shock-absorbers are usually made of steel as it :

Answer» <html><body><p> Has <a href="https://interviewquestions.tuteehub.com/tag/higher-1022060" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHER">HIGHER</a> elasticity</p><br/><br/><p>A shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a>. Steel is an alloy made by combining iron and other elements, the most common of these being <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a>. When carbon is used, its content in the steel is between 0.2% and 2.1% by weight, depending on the grade. Varying the amount of alloying elements and the form of their <a href="https://interviewquestions.tuteehub.com/tag/presence-25557" style="font-weight:bold;" target="_blank" title="Click to know more about PRESENCE">PRESENCE</a> in the steel (solute elements, precipitated phase) controls qualities such as the higher elasticity, hardness, <a href="https://interviewquestions.tuteehub.com/tag/ductility-16368" style="font-weight:bold;" target="_blank" title="Click to know more about DUCTILITY">DUCTILITY</a>, and tensile strength of the resulting steel.</p></body></html>
Discussion
365.

The working of a rocket is based on the principle of:

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/conservation-929810" style="font-weight:bold;" target="_blank" title="Click to know more about CONSERVATION">CONSERVATION</a> of <a href="https://interviewquestions.tuteehub.com/tag/momentum-1100588" style="font-weight:bold;" target="_blank" title="Click to know more about MOMENTUM">MOMENTUM</a></p><br/><br/><p>Rocket <a href="https://interviewquestions.tuteehub.com/tag/works-17618" style="font-weight:bold;" target="_blank" title="Click to know more about WORKS">WORKS</a> on the <a href="https://interviewquestions.tuteehub.com/tag/principle-1166255" style="font-weight:bold;" target="_blank" title="Click to know more about PRINCIPLE">PRINCIPLE</a> of conservation of <a href="https://interviewquestions.tuteehub.com/tag/linear-1074458" style="font-weight:bold;" target="_blank" title="Click to know more about LINEAR">LINEAR</a> momentum.</p></body></html>
Discussion
366.

A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?

Answer» <html><body><p> Parabolic</p><br/><br/><p>If a particle dropped from the top of a tower uniformly falls on ground at a distance which is <a href="https://interviewquestions.tuteehub.com/tag/equal-446400" style="font-weight:bold;" target="_blank" title="Click to know more about EQUAL">EQUAL</a> to the height of tower then a parabolic path will be traversed by a particle because when the particle is dropped that point is called the point of projection and when it <a href="https://interviewquestions.tuteehub.com/tag/reaches-1178076" style="font-weight:bold;" target="_blank" title="Click to know more about REACHES">REACHES</a> the ground that point is called the point of impact. Now, if the two points is met with one another the curve <a href="https://interviewquestions.tuteehub.com/tag/emerges-2070134" style="font-weight:bold;" target="_blank" title="Click to know more about EMERGES">EMERGES</a> is parabolic in nature. Hence, we can say that the path followed by the particle is of parabolic trajectories.</p></body></html>
Discussion
367.

After reflection from a plane mirror the word will look like.

Answer» <html><body><p> ECNALUBMA</p></body></html>
Discussion
368.

Good conductor of electricity is

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/graphite-15721" style="font-weight:bold;" target="_blank" title="Click to know more about GRAPHITE">GRAPHITE</a></p><br/><br/><p>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> of <a href="https://interviewquestions.tuteehub.com/tag/electricity-968393" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICITY">ELECTRICITY</a> is graphite.</p></body></html>
Discussion
369.

The purpose of choke in a fluorescent lamp is :

Answer» <html><body><p> To decrease the <a href="https://interviewquestions.tuteehub.com/tag/current-940804" style="font-weight:bold;" target="_blank" title="Click to know more about CURRENT">CURRENT</a> flow</p><br/><br/><p>The choke primarily <a href="https://interviewquestions.tuteehub.com/tag/serves-1202535" style="font-weight:bold;" target="_blank" title="Click to know more about SERVES">SERVES</a> to limit current flow to the <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> level for the tube. It also can be used during <a href="https://interviewquestions.tuteehub.com/tag/startup-1224826" style="font-weight:bold;" target="_blank" title="Click to know more about STARTUP">STARTUP</a> to provide an inductive ‘kick’ forming a momentary higher-voltage pulse to start the lamp.</p></body></html>
Discussion
370.

The ''Choke' used with a tube light is basically

Answer» <html><body><p> An inductor</p><br/><br/><p>Choke is the Inductor coil/ballast which is used to induce high voltage across it. Then gas inside the starter gets ionized due to this <a href="https://interviewquestions.tuteehub.com/tag/full-1001178" style="font-weight:bold;" target="_blank" title="Click to know more about FULL">FULL</a> voltage and heats the <a href="https://interviewquestions.tuteehub.com/tag/bimetallic-2472377" style="font-weight:bold;" target="_blank" title="Click to know more about BIMETALLIC">BIMETALLIC</a> strip that is <a href="https://interviewquestions.tuteehub.com/tag/caused-7279664" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSED">CAUSED</a> to be <a href="https://interviewquestions.tuteehub.com/tag/bent-395665" style="font-weight:bold;" target="_blank" title="Click to know more about BENT">BENT</a> to connect to the fixed <a href="https://interviewquestions.tuteehub.com/tag/contact-25916" style="font-weight:bold;" target="_blank" title="Click to know more about CONTACT">CONTACT</a>.</p></body></html>
Discussion
371.

'Therm' is the unit of

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/heat-21102" style="font-weight:bold;" target="_blank" title="Click to know more about HEAT">HEAT</a></p><br/><br/><p>'Therm' is the <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 heat.</p></body></html>
Discussion
372.

Conservation of energy refers to the fact that

Answer» <html><body><p> Energy cannot be <a href="https://interviewquestions.tuteehub.com/tag/created-7257327" style="font-weight:bold;" target="_blank" title="Click to know more about CREATED">CREATED</a> or destroyed but can be <a href="https://interviewquestions.tuteehub.com/tag/converted-2543437" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERTED">CONVERTED</a> from one form to <a href="https://interviewquestions.tuteehub.com/tag/another-876628" style="font-weight:bold;" target="_blank" title="Click to know more about ANOTHER">ANOTHER</a></p><br/><br/><p>"<a href="https://interviewquestions.tuteehub.com/tag/conservation-929810" style="font-weight:bold;" target="_blank" title="Click to know more about CONSERVATION">CONSERVATION</a> of energy" refers to the fact that energy cannot be created or destroyed but can be converted from one form to another.</p></body></html>
Discussion
373.

The dimension MLT–2 corresponds to

Answer» <html><body><p> <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 dimensions of Force are M (mass), L (<a href="https://interviewquestions.tuteehub.com/tag/length-1071524" style="font-weight:bold;" target="_blank" title="Click to know more about LENGTH">LENGTH</a>) and T<sup>-<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a></sup>(<a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>). It can also be expressed as [newton] = [kilogram] [metre] [second]<sup>-2</sup>.</p></body></html>
Discussion
374.

A galvanometer can be converted into a voltmeter by connecting with it a

Answer» <html><body><p> High <a href="https://interviewquestions.tuteehub.com/tag/resistance-1186351" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTANCE">RESISTANCE</a> on series</p><br/><br/><p>A galvanometer is <a href="https://interviewquestions.tuteehub.com/tag/converted-2543437" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERTED">CONVERTED</a> into a voltmeter by <a href="https://interviewquestions.tuteehub.com/tag/connecting-929445" style="font-weight:bold;" target="_blank" title="Click to know more about CONNECTING">CONNECTING</a> with high resistance.</p></body></html>
Discussion
375.

Name the process of production of energy in the Sun

Answer» <html><body><p> Nuclear fusion</p><br/><br/><p>The sun generates energy from a process called nuclear fusion. During nuclear fusion, the <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a> and temperature in the sun's <a href="https://interviewquestions.tuteehub.com/tag/core-934035" style="font-weight:bold;" target="_blank" title="Click to know more about CORE">CORE</a> <a href="https://interviewquestions.tuteehub.com/tag/cause-910965" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSE">CAUSE</a> nuclei to separate from their electrons. <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.</p></body></html>
Discussion
376.

In a nuclear reactor, one of the following is used as a fuel.

Answer» <html><body><p> Uranium</p><br/><br/><p>The fuel that is used in a nuclear reactor to <a href="https://interviewquestions.tuteehub.com/tag/maintain-1084096" style="font-weight:bold;" target="_blank" title="Click to know more about MAINTAIN">MAINTAIN</a> a nuclear concatenation response is <a href="https://interviewquestions.tuteehub.com/tag/known-534098" style="font-weight:bold;" target="_blank" title="Click to know more about KNOWN">KNOWN</a> as Nuclear fuel. These fuels are <a href="https://interviewquestions.tuteehub.com/tag/fissionable-7682325" style="font-weight:bold;" target="_blank" title="Click to know more about FISSIONABLE">FISSIONABLE</a>, and the most <a href="https://interviewquestions.tuteehub.com/tag/popular-592281" style="font-weight:bold;" target="_blank" title="Click to know more about POPULAR">POPULAR</a> nuclear combustibles are radioactive elements such as uranium-235 and plutonium-239.</p></body></html>
Discussion
377.

The angle in which a cricket ball should be hit to travel maximum horizontal distance is :

Answer» <html><body><p> 45° with horizontal</p><br/><br/><p>The angle in which a <a href="https://interviewquestions.tuteehub.com/tag/cricket-938756" style="font-weight:bold;" target="_blank" title="Click to know more about CRICKET">CRICKET</a> <a href="https://interviewquestions.tuteehub.com/tag/ball-891849" style="font-weight:bold;" target="_blank" title="Click to know more about BALL">BALL</a> should be hit to <a href="https://interviewquestions.tuteehub.com/tag/travel-1426745" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVEL">TRAVEL</a> <a href="https://interviewquestions.tuteehub.com/tag/maximum-556915" style="font-weight:bold;" target="_blank" title="Click to know more about MAXIMUM">MAXIMUM</a> horizontal distance is 45° with horizontal.</p></body></html>
Discussion
378.

The force exerted by a magnet is an example of ________

Answer» <html><body><p> Non-contact <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 <a href="https://interviewquestions.tuteehub.com/tag/exerted-7272976" style="font-weight:bold;" target="_blank" title="Click to know more about EXERTED">EXERTED</a> by a <a href="https://interviewquestions.tuteehub.com/tag/magnet-1082747" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNET">MAGNET</a> is an <a href="https://interviewquestions.tuteehub.com/tag/example-978283" style="font-weight:bold;" target="_blank" title="Click to know more about EXAMPLE">EXAMPLE</a> of Non-contact force.</p></body></html>
Discussion
379.

Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen?

Answer» <html><body><p> Both will reach the same height</p><br/><br/><p>Galileo’s experiment showed that if <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> bodies of unequal <a href="https://interviewquestions.tuteehub.com/tag/masses-1088822" style="font-weight:bold;" target="_blank" title="Click to know more about MASSES">MASSES</a> are dropped from the same height, the <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a> required by them to reach the ground are equal. If they are thrown <a href="https://interviewquestions.tuteehub.com/tag/vertically-3260386" style="font-weight:bold;" target="_blank" title="Click to know more about VERTICALLY">VERTICALLY</a> upwards with the same initial velocity, then the ratio of the time required to reach the ground is equal to unity. This means that both of them will reach the same height.</p></body></html>
Discussion
380.

Which color deviates least when passing through a Prism

Answer» <html><body><p> Red</p><br/><br/><p>Red light suffers the <a href="https://interviewquestions.tuteehub.com/tag/least-7256596" style="font-weight:bold;" target="_blank" title="Click to know more about LEAST">LEAST</a> <a href="https://interviewquestions.tuteehub.com/tag/amount-374803" style="font-weight:bold;" target="_blank" title="Click to know more about AMOUNT">AMOUNT</a> of deviation and <a href="https://interviewquestions.tuteehub.com/tag/violet-1446649" style="font-weight:bold;" target="_blank" title="Click to know more about VIOLET">VIOLET</a> the most. When a white light is made to pass through a prism, formation of a <a href="https://interviewquestions.tuteehub.com/tag/spectrum-1221793" style="font-weight:bold;" target="_blank" title="Click to know more about SPECTRUM">SPECTRUM</a> of seven colors <a href="https://interviewquestions.tuteehub.com/tag/occurs-1127848" style="font-weight:bold;" target="_blank" title="Click to know more about OCCURS">OCCURS</a> showing white light is a combination of seven separate colors.</p></body></html>
Discussion
381.

By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?

Answer» <html><body><p> 10<sup>36</sup></p><br/><br/><p>Electrostatic forces are 10<sup>36</sup> times <a href="https://interviewquestions.tuteehub.com/tag/stronger-1229999" style="font-weight:bold;" target="_blank" title="Click to know more about STRONGER">STRONGER</a> than the <a href="https://interviewquestions.tuteehub.com/tag/gravitational-476409" style="font-weight:bold;" target="_blank" title="Click to know more about GRAVITATIONAL">GRAVITATIONAL</a> Forces for a fixed <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a>.</p></body></html>
Discussion
382.

The domain theory of magnetism applies to

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/cobalt-920585" style="font-weight:bold;" target="_blank" title="Click to know more about COBALT">COBALT</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/domain-957896" style="font-weight:bold;" target="_blank" title="Click to know more about DOMAIN">DOMAIN</a> <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 <a href="https://interviewquestions.tuteehub.com/tag/magnetism-1083015" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNETISM">MAGNETISM</a> <a href="https://interviewquestions.tuteehub.com/tag/applies-882236" style="font-weight:bold;" target="_blank" title="Click to know more about APPLIES">APPLIES</a> to Cobalt.</p></body></html>
Discussion
383.

The reverse effect of X–ray emission is

Answer» <html><body><p> Photoelectric</p><br/><br/><p>When fast moving electrons strike on high atomic weight <a href="https://interviewquestions.tuteehub.com/tag/substance-1231528" style="font-weight:bold;" target="_blank" title="Click to know more about SUBSTANCE">SUBSTANCE</a>, X – ray is produced. In <a href="https://interviewquestions.tuteehub.com/tag/contrast-425541" style="font-weight:bold;" target="_blank" title="Click to know more about CONTRAST">CONTRAST</a>, Photoelectric <a href="https://interviewquestions.tuteehub.com/tag/effect-966056" style="font-weight:bold;" target="_blank" title="Click to know more about EFFECT">EFFECT</a> takes place when radiation of sufficient frequency incident on 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> surface and electrons are emitted. Hence, X – ray is the inverse <a href="https://interviewquestions.tuteehub.com/tag/phenomenon-599568" style="font-weight:bold;" target="_blank" title="Click to know more about PHENOMENON">PHENOMENON</a> of photoelectric effect.</p></body></html>
Discussion
384.

Lakes freeze in cold countries in winter, leaving the water underneath at

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>°C</p><br/><br/><p>Freezing takes place at he top of the lake this is because water <a href="https://interviewquestions.tuteehub.com/tag/colder-421988" style="font-weight:bold;" target="_blank" title="Click to know more about COLDER">COLDER</a> than 4 degree celsius usually starts to expand and get less dense as it gets colder. It is the liquid with more density that <a href="https://interviewquestions.tuteehub.com/tag/settles-1203058" style="font-weight:bold;" target="_blank" title="Click to know more about SETTLES">SETTLES</a> at the <a href="https://interviewquestions.tuteehub.com/tag/bottom-401202" style="font-weight:bold;" target="_blank" title="Click to know more about BOTTOM">BOTTOM</a> while the less denser <a href="https://interviewquestions.tuteehub.com/tag/floats-992996" style="font-weight:bold;" target="_blank" title="Click to know more about FLOATS">FLOATS</a> above it.</p></body></html>
Discussion
385.

Copper wires are generally used for electrical power transmission instead of iron wire because :

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/copper-933790" style="font-weight:bold;" target="_blank" title="Click to know more about COPPER">COPPER</a> is a better conductor of <a href="https://interviewquestions.tuteehub.com/tag/electricity-968393" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICITY">ELECTRICITY</a> than iron</p><br/><br/><p>Copper is generally preferred for electrical power transmission instead of iron because of its high electrical conductivity and <a href="https://interviewquestions.tuteehub.com/tag/low-537644" style="font-weight:bold;" target="_blank" title="Click to know more about LOW">LOW</a> resistivity.</p></body></html>
Discussion
386.

Why does'nt the hydrogen atom emit X-rays?

Answer» <html><body><p> Its <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> levels are very <a href="https://interviewquestions.tuteehub.com/tag/close-408965" style="font-weight:bold;" target="_blank" title="Click to know more about CLOSE">CLOSE</a> to each other</p><br/><br/><p>For an atom to <a href="https://interviewquestions.tuteehub.com/tag/emit-970204" style="font-weight:bold;" target="_blank" title="Click to know more about EMIT">EMIT</a> X-rays it should have <a href="https://interviewquestions.tuteehub.com/tag/difference-951394" style="font-weight:bold;" target="_blank" title="Click to know more about DIFFERENCE">DIFFERENCE</a> in energy levels.</p></body></html>
Discussion
387.

Electric current is measured by which instrument?

Answer» <html><body><p> Ammeter</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/electric-967871" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRIC">ELECTRIC</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> in one <a href="https://interviewquestions.tuteehub.com/tag/part-596478" style="font-weight:bold;" target="_blank" title="Click to know more about PART">PART</a> of a circuit is measured with an ammeter, which <a href="https://interviewquestions.tuteehub.com/tag/gives-1007647" style="font-weight:bold;" target="_blank" title="Click to know more about GIVES">GIVES</a> a reading in ampere.</p></body></html>
Discussion
388.

A copper disc has a hole. If the disc is heated, the size of the hole

Answer» <html><body><p> Increases</p><br/><br/><p>When a <a href="https://interviewquestions.tuteehub.com/tag/metal-1094457" style="font-weight:bold;" target="_blank" title="Click to know more about METAL">METAL</a> plate 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 <a href="https://interviewquestions.tuteehub.com/tag/centre-912170" style="font-weight:bold;" target="_blank" title="Click to know more about CENTRE">CENTRE</a> is heated, definitely along with the areal expansion of the plate the diameter (sum of two <a href="https://interviewquestions.tuteehub.com/tag/radii-1175952" style="font-weight:bold;" target="_blank" title="Click to know more about RADII">RADII</a>) of the circular hole <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.</p></body></html>
Discussion
389.

Sound cannot pass through

Answer» <html><body><p> Vacuum</p><br/><br/><p>Sound cannot <a href="https://interviewquestions.tuteehub.com/tag/travel-1426745" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVEL">TRAVEL</a> through a <a href="https://interviewquestions.tuteehub.com/tag/perfect-1150611" style="font-weight:bold;" target="_blank" title="Click to know more about PERFECT">PERFECT</a> vacuum. A vacuum is an <a href="https://interviewquestions.tuteehub.com/tag/area-13372" style="font-weight:bold;" target="_blank" title="Click to know more about AREA">AREA</a> <a href="https://interviewquestions.tuteehub.com/tag/without-3281350" style="font-weight:bold;" target="_blank" title="Click to know more about WITHOUT">WITHOUT</a> any <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a>, like space. So sound cannot travel through space because there is no matter for the vibration to work in.</p></body></html>
Discussion
390.

Siphon will fail to work if

Answer» <html><body><p> The level of the liquid in the two <a href="https://interviewquestions.tuteehub.com/tag/vessels-1445910" style="font-weight:bold;" target="_blank" title="Click to know more about VESSELS">VESSELS</a> are at the same height</p><br/><br/><p>Siphon will fail to work if the level of the liquid in the two vessels are at the same height. Siphon is a tube <a href="https://interviewquestions.tuteehub.com/tag/bent-395665" style="font-weight:bold;" target="_blank" title="Click to know more about BENT">BENT</a> to <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> two legs of unequal <a href="https://interviewquestions.tuteehub.com/tag/length-1071524" style="font-weight:bold;" target="_blank" title="Click to know more about LENGTH">LENGTH</a> by which a liquid can be transferred from a <a href="https://interviewquestions.tuteehub.com/tag/reservoir-1186140" style="font-weight:bold;" target="_blank" title="Click to know more about RESERVOIR">RESERVOIR</a> and then down to a lower level of it.</p></body></html>
Discussion
391.

Which of the following has got more heat capacity ?

Answer» <html><body><p> Water</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/heat-21102" style="font-weight:bold;" target="_blank" title="Click to know more about HEAT">HEAT</a> capacity (<a href="https://interviewquestions.tuteehub.com/tag/usually-722248" style="font-weight:bold;" target="_blank" title="Click to know more about USUALLY">USUALLY</a> denoted by a capital C, often with subscripts), or thermal capacity, is the measurable physical quantity that characterizes the amount of heat required to change a substance’s temperature by a given amount. In the <a href="https://interviewquestions.tuteehub.com/tag/international-21795" style="font-weight:bold;" target="_blank" title="Click to know more about INTERNATIONAL">INTERNATIONAL</a> System of Units (<a href="https://interviewquestions.tuteehub.com/tag/si-630826" style="font-weight:bold;" target="_blank" title="Click to know more about SI">SI</a>), heat capacity is expressed in units of joule(s) (J) per Kelvin (K). Among iron piece, water, gold piece and benzene; water has the maximum heat capacity i.e. 4.1813 j/k.</p></body></html>
Discussion
392.

The electric current in a metal wire is due to the flow of -

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/electrons-969138" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONS">ELECTRONS</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/electric-967871" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRIC">ELECTRIC</a> current in a metal <a href="https://interviewquestions.tuteehub.com/tag/wire-1457703" style="font-weight:bold;" target="_blank" title="Click to know more about WIRE">WIRE</a> 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/flow-993213" style="font-weight:bold;" target="_blank" title="Click to know more about FLOW">FLOW</a> of electrons.</p></body></html>
Discussion
393.

Bolometer is used to measure

Answer» <html><body><p> Temperature</p><br/><br/><p>A bolometer is a device for <a href="https://interviewquestions.tuteehub.com/tag/measuring-1091969" style="font-weight:bold;" target="_blank" title="Click to know more about MEASURING">MEASURING</a> the power of incident electromagnetic radiation via the heating of a material with a temperature-dependent <a href="https://interviewquestions.tuteehub.com/tag/electrical-968148" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICAL">ELECTRICAL</a> resistance. It was invented in 1878 by the American astronomer Samuel Pierpont Langley. A bolometer consists of an absorptive element, such as a thin layer of metal, connected to a <a href="https://interviewquestions.tuteehub.com/tag/thermal-706916" style="font-weight:bold;" target="_blank" title="Click to know more about THERMAL">THERMAL</a> reservoir (a body of <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a> temperature) through a thermal link. The <a href="https://interviewquestions.tuteehub.com/tag/result-1187343" style="font-weight:bold;" target="_blank" title="Click to know more about RESULT">RESULT</a> is that any radiation impinging on the absorptive element raises its temperature above that of the reservoir — the greater the absorbed power, the higher the temperature.</p></body></html>
Discussion
394.

Which one type of radiation has the longest wave length

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/radio-4998" style="font-weight:bold;" target="_blank" title="Click to know more about RADIO">RADIO</a> Wave</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a> in the electromagnetic <a href="https://interviewquestions.tuteehub.com/tag/spectrum-1221793" style="font-weight:bold;" target="_blank" title="Click to know more about SPECTRUM">SPECTRUM</a> that have the longest wavelengths and <a href="https://interviewquestions.tuteehub.com/tag/lowest-1081124" style="font-weight:bold;" target="_blank" title="Click to know more about LOWEST">LOWEST</a> frequency are called radio waves.</p></body></html>
Discussion
395.

Steam at 100°C causes more severe burns than water at 100°C because

Answer» <html><body><p> Steam has latent heat of vaporisation</p><br/><br/><p>Steam will <a href="https://interviewquestions.tuteehub.com/tag/produce-1167752" style="font-weight:bold;" target="_blank" title="Click to know more about PRODUCE">PRODUCE</a> more <a href="https://interviewquestions.tuteehub.com/tag/severe-630446" style="font-weight:bold;" target="_blank" title="Click to know more about SEVERE">SEVERE</a> <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 boiling of water because steam has more heat <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> than water due to its latent heat of vaporisation and <a href="https://interviewquestions.tuteehub.com/tag/additionally-7380246" style="font-weight:bold;" target="_blank" title="Click to know more about ADDITIONALLY">ADDITIONALLY</a> latent heat of condensation.</p></body></html>
Discussion
396.

A drop of liquid assumes spherical shape because:

Answer» <html><body><p> A <a href="https://interviewquestions.tuteehub.com/tag/sphere-1222094" style="font-weight:bold;" target="_blank" title="Click to know more about SPHERE">SPHERE</a> has the least surface <a href="https://interviewquestions.tuteehub.com/tag/area-13372" style="font-weight:bold;" target="_blank" title="Click to know more about AREA">AREA</a> for a <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> volume</p><br/><br/><p>A drop of liquid assumes spherical <a href="https://interviewquestions.tuteehub.com/tag/shape-1204673" style="font-weight:bold;" target="_blank" title="Click to know more about SHAPE">SHAPE</a> because a sphere has the least surface area for a given volume.</p></body></html>
Discussion
397.

Sound following a flash of lightning is called

Answer» <html><body><p> Thunder</p><br/><br/><p>Sound following a flash of lightning is called Thunder. Thunder or thunder clap <a href="https://interviewquestions.tuteehub.com/tag/always-373607" style="font-weight:bold;" target="_blank" title="Click to know more about ALWAYS">ALWAYS</a> <a href="https://interviewquestions.tuteehub.com/tag/follows-994526" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOWS">FOLLOWS</a> lightning because 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> than sound. Thunder is <a href="https://interviewquestions.tuteehub.com/tag/caused-7279664" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSED">CAUSED</a> by the rush of air into the space, created by lightning as it travels from <a href="https://interviewquestions.tuteehub.com/tag/cloud-11874" style="font-weight:bold;" target="_blank" title="Click to know more about CLOUD">CLOUD</a> to earth.</p></body></html>
Discussion
398.

The angle between the ________ and the incident ray is called the angle of incidence.

Answer» <html><body><p> Normal</p><br/><br/><p>The normal line <a href="https://interviewquestions.tuteehub.com/tag/divides-957389" style="font-weight:bold;" target="_blank" title="Click to know more about DIVIDES">DIVIDES</a> the angle between the incident <a href="https://interviewquestions.tuteehub.com/tag/ray-1177996" style="font-weight:bold;" target="_blank" title="Click to know more about RAY">RAY</a> and the reflected ray into two equal angles. The angle between the incident ray and the normal is known as the angle of <a href="https://interviewquestions.tuteehub.com/tag/incidence-1039767" style="font-weight:bold;" target="_blank" title="Click to know more about INCIDENCE">INCIDENCE</a>. The angle between the reflected ray and the normal is known as the angle of reflection.</p></body></html>
Discussion
399.

What colour does blue and yellow make?

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/green-476835" style="font-weight:bold;" target="_blank" title="Click to know more about GREEN">GREEN</a></p><br/><br/><p>Blue + <a href="https://interviewquestions.tuteehub.com/tag/yellow-1464953" style="font-weight:bold;" target="_blank" title="Click to know more about YELLOW">YELLOW</a> <a href="https://interviewquestions.tuteehub.com/tag/pigment-1154583" style="font-weight:bold;" target="_blank" title="Click to know more about PIGMENT">PIGMENT</a> <a href="https://interviewquestions.tuteehub.com/tag/yields-1465159" style="font-weight:bold;" target="_blank" title="Click to know more about YIELDS">YIELDS</a> the <a href="https://interviewquestions.tuteehub.com/tag/colour-422259" style="font-weight:bold;" target="_blank" title="Click to know more about COLOUR">COLOUR</a> green.</p></body></html>
Discussion
400.

Kepler's law of planetary motion states that the square of the time period is proportional to the

Answer» <html><body><p> Cube of the semi-major axis</p><br/><br/><p>The square of the time <a href="https://interviewquestions.tuteehub.com/tag/period-1151023" style="font-weight:bold;" target="_blank" title="Click to know more about PERIOD">PERIOD</a> of the <a href="https://interviewquestions.tuteehub.com/tag/planet-1155613" style="font-weight:bold;" target="_blank" title="Click to know more about PLANET">PLANET</a> is <a href="https://interviewquestions.tuteehub.com/tag/directly-955045" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTLY">DIRECTLY</a> proportional to the cube of the <a href="https://interviewquestions.tuteehub.com/tag/semimajor-3018790" style="font-weight:bold;" target="_blank" title="Click to know more about SEMIMAJOR">SEMIMAJOR</a> axis of its orbit.</p></body></html>
Discussion