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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.
| 151. |
The device used to change the speed of an electric fan is |
| Answer» <html><body><p> Regulator</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/device-11244" style="font-weight:bold;" target="_blank" title="Click to know more about DEVICE">DEVICE</a> used to <a href="https://interviewquestions.tuteehub.com/tag/change-913808" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGE">CHANGE</a> 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 an <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/fan-456390" style="font-weight:bold;" target="_blank" title="Click to know more about FAN">FAN</a> is regulator.</p></body></html> | |
| 152. |
While catching a ball, a player pulls down his hands to lower the– |
| Answer» <html><body><p> <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>A cricketer lowers his hands while taking a <a href="https://interviewquestions.tuteehub.com/tag/catch-910711" style="font-weight:bold;" target="_blank" title="Click to know more about CATCH">CATCH</a> to <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 <a href="https://interviewquestions.tuteehub.com/tag/rate-1177476" style="font-weight:bold;" target="_blank" title="Click to know more about RATE">RATE</a> of momentum. <a href="https://interviewquestions.tuteehub.com/tag/cricketers-427590" style="font-weight:bold;" target="_blank" title="Click to know more about CRICKETERS">CRICKETERS</a> increase the time by pulling their hand's backward with the ball while taking a catch. Linear momentum or translational momentum is the product of the mass and velocity of an object.</p></body></html> | |
| 153. |
Which of the following cannot be used for making lenses? |
| Answer» <html><body><p> Soil</p><br/><br/><p>Soil cannot be <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> for <a href="https://interviewquestions.tuteehub.com/tag/making-1085093" style="font-weight:bold;" target="_blank" title="Click to know more about MAKING">MAKING</a> <a href="https://interviewquestions.tuteehub.com/tag/lenses-1071864" style="font-weight:bold;" target="_blank" title="Click to know more about LENSES">LENSES</a>.</p></body></html> | |
| 154. |
Ball bearings are used in cycles, scooters etc to |
| Answer» <html><body><p> Reduce the friction between the wheel and the axle</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/purpose-1173268" style="font-weight:bold;" target="_blank" title="Click to know more about PURPOSE">PURPOSE</a> of a ball bearing is to reduce rotational friction and <a href="https://interviewquestions.tuteehub.com/tag/support-1235361" style="font-weight:bold;" target="_blank" title="Click to know more about SUPPORT">SUPPORT</a> <a href="https://interviewquestions.tuteehub.com/tag/radial-1175661" style="font-weight:bold;" target="_blank" title="Click to know more about RADIAL">RADIAL</a> and axial <a href="https://interviewquestions.tuteehub.com/tag/loads-1076721" style="font-weight:bold;" target="_blank" title="Click to know more about LOADS">LOADS</a>. Reduce the friction as rolling friction is the least, rather than <a href="https://interviewquestions.tuteehub.com/tag/sliding-1211847" style="font-weight:bold;" target="_blank" title="Click to know more about SLIDING">SLIDING</a> or static friction.</p></body></html> | |
| 155. |
Which among the following is false about displacement? |
| Answer» <html><body><p> It is <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/positive-1159908" style="font-weight:bold;" target="_blank" title="Click to know more about POSITIVE">POSITIVE</a></p><br/><br/><p>Displacement can be <a href="https://interviewquestions.tuteehub.com/tag/either-7265046" style="font-weight:bold;" target="_blank" title="Click to know more about EITHER">EITHER</a> positive or <a href="https://interviewquestions.tuteehub.com/tag/negative-570381" style="font-weight:bold;" target="_blank" title="Click to know more about NEGATIVE">NEGATIVE</a>.</p></body></html> | |
| 156. |
The unit of magnetic permeability is |
| Answer» <html><body><p> Henry/<a href="https://interviewquestions.tuteehub.com/tag/meter-1095017" style="font-weight:bold;" target="_blank" title="Click to know more about METER">METER</a></p><br/><br/><p>In <a href="https://interviewquestions.tuteehub.com/tag/si-630826" style="font-weight:bold;" target="_blank" title="Click to know more about SI">SI</a> <a href="https://interviewquestions.tuteehub.com/tag/units-1438468" style="font-weight:bold;" target="_blank" title="Click to know more about UNITS">UNITS</a>, <a href="https://interviewquestions.tuteehub.com/tag/permeability-18615" style="font-weight:bold;" target="_blank" title="Click to know more about PERMEABILITY">PERMEABILITY</a> is measured in Henry <a href="https://interviewquestions.tuteehub.com/tag/per-590802" style="font-weight:bold;" target="_blank" title="Click to know more about PER">PER</a> meter (H/m).</p></body></html> | |
| 157. |
Microphone is a device which transforms the |
| Answer» <html><body><p> <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/signal-1207167" style="font-weight:bold;" target="_blank" title="Click to know more about SIGNAL">SIGNAL</a> into <a href="https://interviewquestions.tuteehub.com/tag/current-940804" style="font-weight:bold;" target="_blank" title="Click to know more about CURRENT">CURRENT</a> signal</p><br/><br/><p>Microphone 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> which <a href="https://interviewquestions.tuteehub.com/tag/transforms-1425852" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSFORMS">TRANSFORMS</a> the sound signal into current signal.</p></body></html> | |
| 158. |
The Hooke's law is valid for |
| Answer» <html><body><p> Only proportional <a href="https://interviewquestions.tuteehub.com/tag/region-1182095" style="font-weight:bold;" target="_blank" title="Click to know more about REGION">REGION</a> of the stress strain curve</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/hooke-487953" style="font-weight:bold;" target="_blank" title="Click to know more about HOOKE">HOOKE</a>'s law is <a href="https://interviewquestions.tuteehub.com/tag/valid-723164" style="font-weight:bold;" target="_blank" title="Click to know more about VALID">VALID</a> only when the stress is proportional to the strain, that is only in the <a href="https://interviewquestions.tuteehub.com/tag/proportionality-1170313" style="font-weight:bold;" target="_blank" title="Click to know more about PROPORTIONALITY">PROPORTIONALITY</a> limit.</p></body></html> | |
| 159. |
The earth is a |
| Answer» <html><body><p> Good <a href="https://interviewquestions.tuteehub.com/tag/absorber-846186" style="font-weight:bold;" target="_blank" title="Click to know more about ABSORBER">ABSORBER</a> and good radiator of <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>The earth is a good absorber and good radiator of heat.</p></body></html> | |
| 160. |
Which component of an IED creates an electrical charge? |
| Answer» <html><body><p> Power source</p><br/><br/><p>The power source such as a Battery of an IED creates an <a href="https://interviewquestions.tuteehub.com/tag/electrical-968148" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICAL">ELECTRICAL</a> charge. An Improvised <a href="https://interviewquestions.tuteehub.com/tag/explosive-980606" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLOSIVE">EXPLOSIVE</a> Device (IED) is a bomb constructed and <a href="https://interviewquestions.tuteehub.com/tag/deployed-7256641" style="font-weight:bold;" target="_blank" title="Click to know more about DEPLOYED">DEPLOYED</a> in ways other than in <a href="https://interviewquestions.tuteehub.com/tag/conventional-409840" style="font-weight:bold;" target="_blank" title="Click to know more about CONVENTIONAL">CONVENTIONAL</a> <a href="https://interviewquestions.tuteehub.com/tag/military-1096446" style="font-weight:bold;" target="_blank" title="Click to know more about MILITARY">MILITARY</a> action.</p></body></html> | |
| 161. |
What frequency range is the high frequency band? |
| Answer» <html><body><p> 3 to 30 MHz</p><br/><br/><p>High frequency (<a href="https://interviewquestions.tuteehub.com/tag/hf-479831" style="font-weight:bold;" target="_blank" title="Click to know more about HF">HF</a>) is the ITU designation for the <a href="https://interviewquestions.tuteehub.com/tag/range-1177030" style="font-weight:bold;" target="_blank" title="Click to know more about RANGE">RANGE</a> of <a href="https://interviewquestions.tuteehub.com/tag/radio-4998" style="font-weight:bold;" target="_blank" title="Click to know more about RADIO">RADIO</a> frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz). It is also known as the decameter band or decameter wave as its wavelengths range from one to ten <a href="https://interviewquestions.tuteehub.com/tag/decameters-7677072" style="font-weight:bold;" target="_blank" title="Click to know more about DECAMETERS">DECAMETERS</a> (ten to one hundred <a href="https://interviewquestions.tuteehub.com/tag/meters-1095062" style="font-weight:bold;" target="_blank" title="Click to know more about METERS">METERS</a>).</p></body></html> | |
| 162. |
The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by |
| Answer» <html><body><p> Bernoulli's principle</p><br/><br/><p>The fact that two large <a href="https://interviewquestions.tuteehub.com/tag/ships-1205487" style="font-weight:bold;" target="_blank" title="Click to know more about SHIPS">SHIPS</a> travelling on close parallel courses in the same direction tend to move towards each other can be explained by Bernoulli's principle. The rapid flow of <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> between the two moving ships causes a reducton of pressure (Bernoulli's principle) , so they (the ships) are <a href="https://interviewquestions.tuteehub.com/tag/drawn-2062388" style="font-weight:bold;" target="_blank" title="Click to know more about DRAWN">DRAWN</a> closer together.</p></body></html> | |
| 163. |
What is the reason for twinkling of stars ? |
| Answer» <html><body><p> Atmospheric <a href="https://interviewquestions.tuteehub.com/tag/refraction-1181843" style="font-weight:bold;" target="_blank" title="Click to know more about REFRACTION">REFRACTION</a></p><br/><br/><p>Atmospheric refraction is the reason behind the twinkling of stars. The starlight on entering earth surface <a href="https://interviewquestions.tuteehub.com/tag/undergoes-1436539" style="font-weight:bold;" target="_blank" title="Click to know more about UNDERGOES">UNDERGOES</a> refraction continuously before it reaches to earth. The starlight bend towards the normal as it <a href="https://interviewquestions.tuteehub.com/tag/enters-972302" style="font-weight:bold;" target="_blank" title="Click to know more about ENTERS">ENTERS</a> from <a href="https://interviewquestions.tuteehub.com/tag/rarer-2973121" style="font-weight:bold;" target="_blank" title="Click to know more about RARER">RARER</a> to denser medium. The air near the earth surface is denser than upper layers. Therefore the apparent position of the stars are slightly different from its actual position, when it is viewed from horizon. The apparent position of stars are not stationary and keeps on changing slightly, because the physical condition of the atmosphere are not stationary. Because of this the stars sometimes appears brighter and sometimes appear <a href="https://interviewquestions.tuteehub.com/tag/fainter-2632310" style="font-weight:bold;" target="_blank" title="Click to know more about FAINTER">FAINTER</a>.</p></body></html> | |
| 164. |
The plastic material commonly used for making gear wheels is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/nylons-1126965" style="font-weight:bold;" target="_blank" title="Click to know more about NYLONS">NYLONS</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/plastic-1156181" style="font-weight:bold;" target="_blank" title="Click to know more about PLASTIC">PLASTIC</a> material <a href="https://interviewquestions.tuteehub.com/tag/commonly-2530443" style="font-weight:bold;" target="_blank" title="Click to know more about COMMONLY">COMMONLY</a> used for making gear wheels is nylons.</p></body></html> | |
| 165. |
Water drops cannot stick to the oily surface due to |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/surface-1235573" style="font-weight:bold;" target="_blank" title="Click to know more about SURFACE">SURFACE</a> tension</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/separation-1201495" style="font-weight:bold;" target="_blank" title="Click to know more about SEPARATION">SEPARATION</a> of <a href="https://interviewquestions.tuteehub.com/tag/oil-1129840" style="font-weight:bold;" target="_blank" title="Click to know more about OIL">OIL</a> and water is caused due to the difference in surface tension of the <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> liquids. The water <a href="https://interviewquestions.tuteehub.com/tag/molecules-563030" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULES">MOLECULES</a> stick together tightly and does not mix with the oil because water molecules are attracted to each other very strongly, forming an invisible “skin” of surface tension around each drop.</p></body></html> | |
| 166. |
Which of the following is correct about the properties of Gravitational Forces? |
| Answer» <html><body><p> They <a href="https://interviewquestions.tuteehub.com/tag/observe-582964" style="font-weight:bold;" target="_blank" title="Click to know more about OBSERVE">OBSERVE</a> inverse square law</p><br/><br/><p>It is a <a href="https://interviewquestions.tuteehub.com/tag/universal-721155" style="font-weight:bold;" target="_blank" title="Click to know more about UNIVERSAL">UNIVERSAL</a> attractive force. It is directly proportional to the product of the masses of the two <a href="https://interviewquestions.tuteehub.com/tag/bodies-900171" style="font-weight:bold;" target="_blank" title="Click to know more about BODIES">BODIES</a>. It obeys inverse square law. It is a long <a href="https://interviewquestions.tuteehub.com/tag/range-1177030" style="font-weight:bold;" target="_blank" title="Click to know more about RANGE">RANGE</a> force and does not need any intervening medium for its operation.</p></body></html> | |
| 167. |
A storm is predicted if atmospheric pressure |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/falls-983294" style="font-weight:bold;" target="_blank" title="Click to know more about FALLS">FALLS</a> suddenly</p><br/><br/><p>A storm is predicted if atmospheric <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a> falls suddenly.</p></body></html> | |
| 168. |
A balloon filled with hydrogen will |
| Answer» <html><body><p> Reach a <a href="https://interviewquestions.tuteehub.com/tag/particular-1147539" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICULAR">PARTICULAR</a> height and remain floating</p><br/><br/><p>A balloon <a href="https://interviewquestions.tuteehub.com/tag/filled-2641169" style="font-weight:bold;" target="_blank" title="Click to know more about FILLED">FILLED</a> with the hydrogen stops <a href="https://interviewquestions.tuteehub.com/tag/rising-1189698" style="font-weight:bold;" target="_blank" title="Click to know more about RISING">RISING</a> after it has attained a <a href="https://interviewquestions.tuteehub.com/tag/certain-407894" style="font-weight:bold;" target="_blank" title="Click to know more about CERTAIN">CERTAIN</a> height in the sky. This is because as height increases, the density of air decreases resulting in a decrease of buoyant force.</p></body></html> | |
| 169. |
Which of the following branch of Physics deal with study of Atomic Nuclei? |
| Answer» <html><body><p> Nuclear <a href="https://interviewquestions.tuteehub.com/tag/physics-352" style="font-weight:bold;" target="_blank" title="Click to know more about PHYSICS">PHYSICS</a></p><br/><br/><p>Particle physics <a href="https://interviewquestions.tuteehub.com/tag/studies-1230633" style="font-weight:bold;" target="_blank" title="Click to know more about STUDIES">STUDIES</a> the nature of particles, while nuclear physics studies the <a href="https://interviewquestions.tuteehub.com/tag/atomic-2477" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMIC">ATOMIC</a> <a href="https://interviewquestions.tuteehub.com/tag/nuclei-1125994" style="font-weight:bold;" target="_blank" title="Click to know more about NUCLEI">NUCLEI</a>.</p></body></html> | |
| 170. |
Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds |
| Answer» <html><body><p> 0.5</p><br/><br/><p>u(<a href="https://interviewquestions.tuteehub.com/tag/initial-499269" style="font-weight:bold;" target="_blank" title="Click to know more about INITIAL">INITIAL</a> velocity) = 25m/s<br/>v(final velocity) = 30m/s<br/>t(<a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>) = 10s<br/><br/>a = (v-u)/t<br/>a = (30-25)/10<br/>a = 5/10<br/>a = 1/2<br/>a = 0.5m/s²</p></body></html> | |
| 171. |
The final image in a simple microscope is |
| Answer» <html><body><p> Virtual, magnified and erect</p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/basic-15343" style="font-weight:bold;" target="_blank" title="Click to know more about BASIC">BASIC</a> microscope is made up of two converging lenses. The first lens creates a real image which serves as the <a href="https://interviewquestions.tuteehub.com/tag/object-11416" style="font-weight:bold;" target="_blank" title="Click to know more about OBJECT">OBJECT</a> for the second lens, and the image created by the second lens is the <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> a viewer <a href="https://interviewquestions.tuteehub.com/tag/sees-3017185" style="font-weight:bold;" target="_blank" title="Click to know more about SEES">SEES</a>. 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> image is magnified, virtual and is inverted compared to the original object.</p></body></html> | |
| 172. |
The velocity of sound in air |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/decreases-946143" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASES">DECREASES</a> with <a href="https://interviewquestions.tuteehub.com/tag/decrease-946104" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASE">DECREASE</a> of temperature</p><br/><br/><p>The velocity 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> in air decreases with decrease of temperature.</p></body></html> | |
| 173. |
Which best describes how air moves during convection? |
| Answer» <html><body><p> Cool air falls down</p><br/><br/><p>In convection, hot air rises from 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 and becomes <a href="https://interviewquestions.tuteehub.com/tag/cold-921390" style="font-weight:bold;" target="_blank" title="Click to know more about COLD">COLD</a> at higher altitude because of lower temperature there. As it cools, it sinks down to the surface of the Earth. On reaching Earth, it warms again and rises up again. The main reason for this phenomenon is - <a href="https://interviewquestions.tuteehub.com/tag/sinking-1210444" style="font-weight:bold;" target="_blank" title="Click to know more about SINKING">SINKING</a> cold air <a href="https://interviewquestions.tuteehub.com/tag/pushes-1173364" style="font-weight:bold;" target="_blank" title="Click to know more about PUSHES">PUSHES</a> the warm air up.</p></body></html> | |
| 174. |
For which of the following game, players must have the knowledge of Pascal's law? |
| Answer» <html><body><p> Scuba diving</p><br/><br/><p>Scuba diving <a href="https://interviewquestions.tuteehub.com/tag/players-1156611" style="font-weight:bold;" target="_blank" title="Click to know more about PLAYERS">PLAYERS</a> <a href="https://interviewquestions.tuteehub.com/tag/must-2185568" style="font-weight:bold;" target="_blank" title="Click to know more about MUST">MUST</a> have the <a href="https://interviewquestions.tuteehub.com/tag/knowledge-25694" style="font-weight:bold;" target="_blank" title="Click to know more about KNOWLEDGE">KNOWLEDGE</a> of Pascal's law.</p></body></html> | |
| 175. |
Stars appear twinkling because of ......... of light. |
| 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></p><br/><br/><p>Stars <a href="https://interviewquestions.tuteehub.com/tag/appear-2437800" style="font-weight:bold;" target="_blank" title="Click to know more about APPEAR">APPEAR</a> <a href="https://interviewquestions.tuteehub.com/tag/twinkling-1429617" style="font-weight:bold;" target="_blank" title="Click to know more about TWINKLING">TWINKLING</a> because of scattering 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>.</p></body></html> | |
| 176. |
The density of a gas is maximum at |
| Answer» <html><body><p> Low temperature, high pressure</p><br/><br/><p>The <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 <a href="https://interviewquestions.tuteehub.com/tag/gases-13668" style="font-weight:bold;" target="_blank" title="Click to know more about GASES">GASES</a> depends upon the temperature. The <a href="https://interviewquestions.tuteehub.com/tag/higher-1022060" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHER">HIGHER</a> the temperature, the more the <a href="https://interviewquestions.tuteehub.com/tag/molecules-563030" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULES">MOLECULES</a> are spread out and the lower the density.</p></body></html> | |
| 177. |
Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/14-272882" style="font-weight:bold;" target="_blank" title="Click to know more about 14">14</a> m/s</p><br/><br/><p>14 m/s.</p></body></html> | |
| 178. |
Which one of the following is used for sun glasses ? |
| Answer» <html><body><p> Crooks <a href="https://interviewquestions.tuteehub.com/tag/glass-14164" style="font-weight:bold;" target="_blank" title="Click to know more about GLASS">GLASS</a></p><br/><br/><p>A type of glass that contains cerium and other rare <a href="https://interviewquestions.tuteehub.com/tag/earths-964431" style="font-weight:bold;" target="_blank" title="Click to know more about EARTHS">EARTHS</a> and has a high absorption of ultraviolet radiation is used in sunglasses. Sunglasses or sun glasses are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously <a href="https://interviewquestions.tuteehub.com/tag/termed-7331110" style="font-weight:bold;" target="_blank" title="Click to know more about TERMED">TERMED</a> spectacles or glasses exist, featuring lenses that are coloured, polarized or darkened. In the early 20th century they were also known as sun cheaters. The colour of the lens can vary depending on style, <a href="https://interviewquestions.tuteehub.com/tag/fashion-456442" style="font-weight:bold;" target="_blank" title="Click to know more about FASHION">FASHION</a>, and purpose, but for general use, red, grey, green, or brown are recommended to avoid or minimize colour distortion, which could affect safety when, for instance, driving a car or a school bus.</p></body></html> | |
| 179. |
Which of the following criterion is used for any metal to be used as a cooking material ? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/less-1071906" style="font-weight:bold;" target="_blank" title="Click to know more about LESS">LESS</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> <a href="https://interviewquestions.tuteehub.com/tag/conductivity-17908" style="font-weight:bold;" target="_blank" title="Click to know more about CONDUCTIVITY">CONDUCTIVITY</a></p><br/><br/><p>A metal to be <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> as a <a href="https://interviewquestions.tuteehub.com/tag/cooking-933459" style="font-weight:bold;" target="_blank" title="Click to know more about COOKING">COOKING</a> material should have less thermal conductivity.</p></body></html> | |
| 180. |
Every hot object emits ________ |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/infrared-515961" style="font-weight:bold;" target="_blank" title="Click to know more about INFRARED">INFRARED</a> <a href="https://interviewquestions.tuteehub.com/tag/rays-1178020" style="font-weight:bold;" target="_blank" title="Click to know more about RAYS">RAYS</a></p><br/><br/><p>Every <a href="https://interviewquestions.tuteehub.com/tag/hot-1029680" style="font-weight:bold;" target="_blank" title="Click to know more about HOT">HOT</a> <a href="https://interviewquestions.tuteehub.com/tag/object-11416" style="font-weight:bold;" target="_blank" title="Click to know more about OBJECT">OBJECT</a> <a href="https://interviewquestions.tuteehub.com/tag/emits-450754" style="font-weight:bold;" target="_blank" title="Click to know more about EMITS">EMITS</a> infrared rays.</p></body></html> | |
| 181. |
While ascending a hill, the driver of the vehicle keeps the gear ratio |
| Answer» <html><body><p> Either equal to or greater than 1</p><br/><br/><p>While ascending a hill <a href="https://interviewquestions.tuteehub.com/tag/gear-1004157" style="font-weight:bold;" target="_blank" title="Click to know more about GEAR">GEAR</a> <a href="https://interviewquestions.tuteehub.com/tag/ratio-13379" style="font-weight:bold;" target="_blank" title="Click to know more about RATIO">RATIO</a> should be “Either equal to or greater than 1. Gear Ratio is the ratio between angular velocity of input gear to the angular velocity of <a href="https://interviewquestions.tuteehub.com/tag/output-1142821" style="font-weight:bold;" target="_blank" title="Click to know more about OUTPUT">OUTPUT</a> gear. It <a href="https://interviewquestions.tuteehub.com/tag/prevents-605529" style="font-weight:bold;" target="_blank" title="Click to know more about PREVENTS">PREVENTS</a> the vehicle from stalling.</p></body></html> | |
| 182. |
The scientist who first sent electromagnetic waves to distant places is |
| Answer» <html><body><p> Thomas Alva Edison</p><br/><br/><p>Radio is the transmission of signals through free space by <a href="https://interviewquestions.tuteehub.com/tag/electromagnetic-968633" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTROMAGNETIC">ELECTROMAGNETIC</a> radiation of a frequency significantly below that of visible light, in the radio frequency range, from about 30 kHz to 300 GHz. These <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a> are called radio waves. Experiments were undertaken by Thomas Edison and his <a href="https://interviewquestions.tuteehub.com/tag/employees-25487" style="font-weight:bold;" target="_blank" title="Click to know more about EMPLOYEES">EMPLOYEES</a> of <a href="https://interviewquestions.tuteehub.com/tag/menlo-2174686" style="font-weight:bold;" target="_blank" title="Click to know more about MENLO">MENLO</a> Park. Edison applied in 1885 to the U.S. Patent Office for a patent on an electrostatic <a href="https://interviewquestions.tuteehub.com/tag/coupling-937849" style="font-weight:bold;" target="_blank" title="Click to know more about COUPLING">COUPLING</a> system between elevated terminals. The patent was granted as U.S. Patent 465,971 on December 29, 1891. The Marconi Company would later purchase rights to the Edison patent to protect them legally from lawsuits.</p></body></html> | |
| 183. |
When a detergent is added to pure water, its surface tension |
| Answer» <html><body><p> Decreases</p><br/><br/><p>When detergent is added to <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a>, it decreases the surface tension of the water. <a href="https://interviewquestions.tuteehub.com/tag/compounds-927010" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUNDS">COMPOUNDS</a> that lower water's surface tension are called surfactants, which work by separating the water <a href="https://interviewquestions.tuteehub.com/tag/molecules-563030" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULES">MOLECULES</a> from one <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></body></html> | |
| 184. |
The reflector of a search light is a : |
| Answer» <html><body><p> Concave mirror</p><br/><br/><p>Concave <a href="https://interviewquestions.tuteehub.com/tag/mirrors-1098210" style="font-weight:bold;" target="_blank" title="Click to know more about MIRRORS">MIRRORS</a> are used in search lights and <a href="https://interviewquestions.tuteehub.com/tag/torches-1422407" style="font-weight:bold;" target="_blank" title="Click to know more about TORCHES">TORCHES</a> so that we have a more focused light beam which will not <a href="https://interviewquestions.tuteehub.com/tag/diverge-432079" style="font-weight:bold;" target="_blank" title="Click to know more about DIVERGE">DIVERGE</a> out and <a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a> help in searching. It is used for different light <a href="https://interviewquestions.tuteehub.com/tag/rays-1178020" style="font-weight:bold;" target="_blank" title="Click to know more about RAYS">RAYS</a> falling on it to a single point.</p></body></html> | |
| 185. |
Which of the following is not an intrusive igneous body? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/stope-1228119" style="font-weight:bold;" target="_blank" title="Click to know more about STOPE">STOPE</a></p><br/><br/><p>Batholith is the biggest of the <a href="https://interviewquestions.tuteehub.com/tag/intrusive-7688772" style="font-weight:bold;" target="_blank" title="Click to know more about INTRUSIVE">INTRUSIVE</a> <a href="https://interviewquestions.tuteehub.com/tag/igneous-504340" style="font-weight:bold;" target="_blank" title="Click to know more about IGNEOUS">IGNEOUS</a> rocks. Stope is not an intrusive igneous body. It is related to mining.</p></body></html> | |
| 186. |
The wavelength at which the peak of intensity of blackbody radiation occurs |
| Answer» <html><body><p> Decreases with increase in temperature</p><br/><br/><p>According to Wien’s <a href="https://interviewquestions.tuteehub.com/tag/displacement-956081" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACEMENT">DISPLACEMENT</a> law, when the temperature of a blackbody radiator increases, the overall radiated energy increases. Wavelength of <a href="https://interviewquestions.tuteehub.com/tag/maximum-556915" style="font-weight:bold;" target="_blank" title="Click to know more about MAXIMUM">MAXIMUM</a> <a href="https://interviewquestions.tuteehub.com/tag/emission-970172" style="font-weight:bold;" target="_blank" title="Click to know more about EMISSION">EMISSION</a> from a blackbody is inversely proportional to its temperature. Shorter-wavelength (higher-frequency) light <a href="https://interviewquestions.tuteehub.com/tag/corresponds-935737" style="font-weight:bold;" target="_blank" title="Click to know more about CORRESPONDS">CORRESPONDS</a> to higher-energy photons.</p></body></html> | |
| 187. |
Reading of a barometer going down is an indication of |
| Answer» <html><body><p> Rainfall</p><br/><br/><p>Barometer is instrument which 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 measure to pressure. A slow <a href="https://interviewquestions.tuteehub.com/tag/downfall-959055" style="font-weight:bold;" target="_blank" title="Click to know more about DOWNFALL">DOWNFALL</a> of reading suggests a low pressure area is passing in a nearby <a href="https://interviewquestions.tuteehub.com/tag/region-1182095" style="font-weight:bold;" target="_blank" title="Click to know more about REGION">REGION</a>, it may rain. If the reading is going down very <a href="https://interviewquestions.tuteehub.com/tag/fast-456451" style="font-weight:bold;" target="_blank" title="Click to know more about FAST">FAST</a> then its an indication of <a href="https://interviewquestions.tuteehub.com/tag/storm-21158" style="font-weight:bold;" target="_blank" title="Click to know more about STORM">STORM</a> (within 5-6 hours).</p></body></html> | |
| 188. |
A NOT gate can be implemented by: |
| Answer» <html><body><p> A <a href="https://interviewquestions.tuteehub.com/tag/single-644669" style="font-weight:bold;" target="_blank" title="Click to know more about SINGLE">SINGLE</a> <a href="https://interviewquestions.tuteehub.com/tag/transistor-1425948" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSISTOR">TRANSISTOR</a></p><br/><br/><p>A NOT <a href="https://interviewquestions.tuteehub.com/tag/gate-647" style="font-weight:bold;" target="_blank" title="Click to know more about GATE">GATE</a> can be <a href="https://interviewquestions.tuteehub.com/tag/implemented-7263922" style="font-weight:bold;" target="_blank" title="Click to know more about IMPLEMENTED">IMPLEMENTED</a> by a single transistor.</p></body></html> | |
| 189. |
Which type of mirror is used in the head lights of vehicles ? |
| Answer» <html><body><p> Concave mirror</p><br/><br/><p>Concave mirrors are used in head lights of vehicles because when the bulb of headlight is <a href="https://interviewquestions.tuteehub.com/tag/placed-591674" style="font-weight:bold;" target="_blank" title="Click to know more about PLACED">PLACED</a> at <a href="https://interviewquestions.tuteehub.com/tag/focus-25840" style="font-weight:bold;" target="_blank" title="Click to know more about FOCUS">FOCUS</a> of concave mirror it will <a href="https://interviewquestions.tuteehub.com/tag/allow-362909" style="font-weight:bold;" target="_blank" title="Click to know more about ALLOW">ALLOW</a> the <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> to spread out to infinity after the reflection on the mirror.</p></body></html> | |
| 190. |
Which of the following statements is true when we see ''rainbow' ? |
| Answer» <html><body><p> The Sun remains behind us and we face raindrops</p><br/><br/><p>We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light <a href="https://interviewquestions.tuteehub.com/tag/enter-446119" style="font-weight:bold;" target="_blank" title="Click to know more about ENTER">ENTER</a> the drop and are refracted inwards. They are reflected from the back surface of the raindrop, and refracted again as they exit the raindrop and return to our eyes. A rainbow is an <a href="https://interviewquestions.tuteehub.com/tag/optical-583872" style="font-weight:bold;" target="_blank" title="Click to know more about OPTICAL">OPTICAL</a> and meteorological phenomenon that is caused by reflection of light in <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> droplets in 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 atmosphere, resulting in a spectrum of light <a href="https://interviewquestions.tuteehub.com/tag/appearing-363676" style="font-weight:bold;" target="_blank" title="Click to know more about APPEARING">APPEARING</a> in the sky.</p></body></html> | |
| 191. |
In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/white-742716" style="font-weight:bold;" target="_blank" title="Click to know more about WHITE">WHITE</a> hole</p><br/><br/><p>A White Hole is a hypothetical hole in outer space from which energy, <a href="https://interviewquestions.tuteehub.com/tag/stars-1224692" style="font-weight:bold;" target="_blank" title="Click to know more about STARS">STARS</a>, and other <a href="https://interviewquestions.tuteehub.com/tag/celestial-414496" style="font-weight:bold;" target="_blank" title="Click to know more about CELESTIAL">CELESTIAL</a> <a href="https://interviewquestions.tuteehub.com/tag/matter-22749" style="font-weight:bold;" target="_blank" title="Click to know more about MATTER">MATTER</a> emerge or explode. It is a theoretical celestial object into which matter is funneled from a black hole.</p></body></html> | |
| 192. |
An object having the capability to do work is said to possess |
| Answer» <html><body><p> Energy</p><br/><br/><p>An object having the capability to do <a href="https://interviewquestions.tuteehub.com/tag/work-20377" style="font-weight:bold;" target="_blank" title="Click to know more about WORK">WORK</a> is <a href="https://interviewquestions.tuteehub.com/tag/said-629244" style="font-weight:bold;" target="_blank" title="Click to know more about SAID">SAID</a> to <a href="https://interviewquestions.tuteehub.com/tag/possess-2943533" style="font-weight:bold;" target="_blank" title="Click to know more about POSSESS">POSSESS</a> Energy.</p></body></html> | |
| 193. |
Energy travels from Sun to Earth through |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/radiation-1175811" style="font-weight:bold;" target="_blank" title="Click to know more about RADIATION">RADIATION</a></p><br/><br/><p>Energy <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 <a href="https://interviewquestions.tuteehub.com/tag/sun-1234558" style="font-weight:bold;" target="_blank" title="Click to know more about SUN">SUN</a> to <a href="https://interviewquestions.tuteehub.com/tag/earth-13129" style="font-weight:bold;" target="_blank" title="Click to know more about EARTH">EARTH</a> through radiation.</p></body></html> | |
| 194. |
If the velocity of a body is halved its kinetic energy ________ |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/becomes-1994370" style="font-weight:bold;" target="_blank" title="Click to know more about BECOMES">BECOMES</a> 1/4 th</p><br/><br/><p>When <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a> is <a href="https://interviewquestions.tuteehub.com/tag/halved-2104643" style="font-weight:bold;" target="_blank" title="Click to know more about HALVED">HALVED</a>, its <a href="https://interviewquestions.tuteehub.com/tag/kinetic-533291" style="font-weight:bold;" target="_blank" title="Click to know more about KINETIC">KINETIC</a> <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> becomes 1/4th.</p></body></html> | |
| 195. |
Instruments for measuring Solar Radiation? |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/pyranometer-609406" style="font-weight:bold;" target="_blank" title="Click to know more about PYRANOMETER">PYRANOMETER</a></p><br/><br/><p>Instruments 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> <a href="https://interviewquestions.tuteehub.com/tag/solar-647285" style="font-weight:bold;" target="_blank" title="Click to know more about SOLAR">SOLAR</a> <a href="https://interviewquestions.tuteehub.com/tag/radiation-1175811" style="font-weight:bold;" target="_blank" title="Click to know more about RADIATION">RADIATION</a> is Pyranometer.</p></body></html> | |
| 196. |
The device which converts sound energy into electrical energy is called |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/microphone-1095778" style="font-weight:bold;" target="_blank" title="Click to know more about MICROPHONE">MICROPHONE</a></p><br/><br/><p>The device which <a href="https://interviewquestions.tuteehub.com/tag/converts-933341" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERTS">CONVERTS</a> <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/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> into <a href="https://interviewquestions.tuteehub.com/tag/electrical-968148" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICAL">ELECTRICAL</a> energy is called microphone.</p></body></html> | |
| 197. |
A television channel is characterised by |
| Answer» <html><body><p> Frequency of transmitted signal</p><br/><br/><p>A television channel is a <a href="https://interviewquestions.tuteehub.com/tag/physical-600035" style="font-weight:bold;" target="_blank" title="Click to know more about PHYSICAL">PHYSICAL</a> or <a href="https://interviewquestions.tuteehub.com/tag/virtual-673" style="font-weight:bold;" target="_blank" title="Click to know more about VIRTUAL">VIRTUAL</a> channel over which a television station or television network is distributed. Channel numbers represent actual frequencies used to <a href="https://interviewquestions.tuteehub.com/tag/broadcast-904464" style="font-weight:bold;" target="_blank" title="Click to know more about BROADCAST">BROADCAST</a> the television signal. For example, in North America, “channel 2” refers to the broadcast or cable <a href="https://interviewquestions.tuteehub.com/tag/band-393122" style="font-weight:bold;" target="_blank" title="Click to know more about BAND">BAND</a> of 54 to 60 MHz, with carrier frequencies of 55.25 MHz for NTSC analog video (VSB) and 59.75 MHz for analog audio (FM), or 55.31 MHz for digital ATSC (8VSB).</p></body></html> | |
| 198. |
Ampere second could be the unit of |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/conductance-928795" style="font-weight:bold;" target="_blank" title="Click to know more about CONDUCTANCE">CONDUCTANCE</a></p><br/><br/><p>Ampere <a href="https://interviewquestions.tuteehub.com/tag/second-1197322" style="font-weight:bold;" target="_blank" title="Click to know more about SECOND">SECOND</a> <a href="https://interviewquestions.tuteehub.com/tag/could-410026" style="font-weight:bold;" target="_blank" title="Click to know more about COULD">COULD</a> be 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 conductance.</p></body></html> | |
| 199. |
A galvanometer can be converted to a voltmeter by connecting |
| Answer» <html><body><p> A <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/resistance-1186351" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTANCE">RESISTANCE</a> in 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> | |
| 200. |
At the center of the sun, fusion converts hydrogen into |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/helium-484142" style="font-weight:bold;" target="_blank" title="Click to know more about HELIUM">HELIUM</a></p><br/><br/><p>Nuclear fusion, the source of all the <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> so generously radiated by the <a href="https://interviewquestions.tuteehub.com/tag/sun-1234558" style="font-weight:bold;" target="_blank" title="Click to know more about SUN">SUN</a>, does two <a href="https://interviewquestions.tuteehub.com/tag/things-25910" style="font-weight:bold;" target="_blank" title="Click to know more about THINGS">THINGS</a>: it converts hydrogen into helium (or rather, makes helium nuclei from <a href="https://interviewquestions.tuteehub.com/tag/protons-1171004" style="font-weight:bold;" target="_blank" title="Click to know more about PROTONS">PROTONS</a>) and it converts mass to energy.</p></body></html> | |