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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.
| 251. |
One billionth of a second is called |
| Answer» <html><body><p> Nanosecond</p><br/><br/><p>A nanosecond (<a href="https://interviewquestions.tuteehub.com/tag/ns-581911" style="font-weight:bold;" target="_blank" title="Click to know more about NS">NS</a>) is an SI <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 time <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 one billionth of a <a href="https://interviewquestions.tuteehub.com/tag/second-1197322" style="font-weight:bold;" target="_blank" title="Click to know more about SECOND">SECOND</a>.</p></body></html> | |
| 252. |
Stationary wave is formed by |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a> of same frequency travelling in the opposite <a href="https://interviewquestions.tuteehub.com/tag/direction-1696" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTION">DIRECTION</a></p><br/><br/><p>Stationary wave is <a href="https://interviewquestions.tuteehub.com/tag/formed-464209" style="font-weight:bold;" target="_blank" title="Click to know more about FORMED">FORMED</a> by two waves of same frequency travelling in the opposite direction.</p></body></html> | |
| 253. |
Stars appears to move from east to west because |
| Answer» <html><body><p> 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> <a href="https://interviewquestions.tuteehub.com/tag/rotates-1191154" style="font-weight:bold;" target="_blank" title="Click to know more about ROTATES">ROTATES</a> from <a href="https://interviewquestions.tuteehub.com/tag/west-1451899" style="font-weight:bold;" target="_blank" title="Click to know more about WEST">WEST</a> to <a href="https://interviewquestions.tuteehub.com/tag/east-447972" style="font-weight:bold;" target="_blank" title="Click to know more about EAST">EAST</a></p><br/><br/><p>The earth rotates from west to east.</p></body></html> | |
| 254. |
Which of the following is not a valid conservation law of classical physics? |
| 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 <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/current-940804" style="font-weight:bold;" target="_blank" title="Click to know more about CURRENT">CURRENT</a></p><br/><br/><p>Law of conservation of current is not a valid conservation law of classical physics.</p></body></html> | |
| 255. |
What is the SI unit of intensity of sound? |
| Answer» <html><body><p> Decibel</p><br/><br/><p>Decibel is the <a href="https://interviewquestions.tuteehub.com/tag/si-630826" style="font-weight:bold;" target="_blank" title="Click to know more about SI">SI</a> <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 <a href="https://interviewquestions.tuteehub.com/tag/intensity-1047474" style="font-weight:bold;" target="_blank" title="Click to know more about INTENSITY">INTENSITY</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>.</p></body></html> | |
| 256. |
An instrument that records earthquakes is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/seismograph-639176" style="font-weight:bold;" target="_blank" title="Click to know more about SEISMOGRAPH">SEISMOGRAPH</a></p><br/><br/><p>An <a href="https://interviewquestions.tuteehub.com/tag/instrument-1046405" style="font-weight:bold;" target="_blank" title="Click to know more about INSTRUMENT">INSTRUMENT</a> that <a href="https://interviewquestions.tuteehub.com/tag/records-1180480" style="font-weight:bold;" target="_blank" title="Click to know more about RECORDS">RECORDS</a> <a href="https://interviewquestions.tuteehub.com/tag/earthquakes-964426" style="font-weight:bold;" target="_blank" title="Click to know more about EARTHQUAKES">EARTHQUAKES</a> is Seismograph.</p></body></html> | |
| 257. |
A body absorbs heat most if it is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/black-898687" style="font-weight:bold;" target="_blank" title="Click to know more about BLACK">BLACK</a> and <a href="https://interviewquestions.tuteehub.com/tag/rough-614919" style="font-weight:bold;" target="_blank" title="Click to know more about ROUGH">ROUGH</a></p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> <a href="https://interviewquestions.tuteehub.com/tag/absorbs-846212" style="font-weight:bold;" target="_blank" title="Click to know more about ABSORBS">ABSORBS</a> <a href="https://interviewquestions.tuteehub.com/tag/heat-21102" style="font-weight:bold;" target="_blank" title="Click to know more about HEAT">HEAT</a> most if it is black and rough.</p></body></html> | |
| 258. |
Quality of a musical note depends on |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/harmonics-1016029" style="font-weight:bold;" target="_blank" title="Click to know more about HARMONICS">HARMONICS</a> <a href="https://interviewquestions.tuteehub.com/tag/present-1163722" style="font-weight:bold;" target="_blank" title="Click to know more about PRESENT">PRESENT</a></p><br/><br/><p>Quality of a <a href="https://interviewquestions.tuteehub.com/tag/musical-550004" style="font-weight:bold;" target="_blank" title="Click to know more about MUSICAL">MUSICAL</a> <a href="https://interviewquestions.tuteehub.com/tag/note-1125278" style="font-weight:bold;" target="_blank" title="Click to know more about NOTE">NOTE</a> <a href="https://interviewquestions.tuteehub.com/tag/depends-948548" style="font-weight:bold;" target="_blank" title="Click to know more about DEPENDS">DEPENDS</a> on harmonics present.</p></body></html> | |
| 259. |
Red light is used for signals because it has |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/long-537592" style="font-weight:bold;" target="_blank" title="Click to know more about LONG">LONG</a> wavelength</p><br/><br/><p>Red light 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> as danger signal because it is having <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> wavelength, less scattering ,hence can travel <a href="https://interviewquestions.tuteehub.com/tag/larger-1067345" style="font-weight:bold;" target="_blank" title="Click to know more about LARGER">LARGER</a> <a href="https://interviewquestions.tuteehub.com/tag/distances-956488" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCES">DISTANCES</a>.</p></body></html> | |
| 260. |
The surface tension of water on adding detergent to it |
| Answer» <html><body><p> Decreases</p><br/><br/><p>When <a href="https://interviewquestions.tuteehub.com/tag/detergent-437903" style="font-weight:bold;" target="_blank" title="Click to know more about DETERGENT">DETERGENT</a> is added to water, it decreases the <a href="https://interviewquestions.tuteehub.com/tag/surface-1235573" style="font-weight:bold;" target="_blank" title="Click to know more about SURFACE">SURFACE</a> tension of the water. Compounds that <a href="https://interviewquestions.tuteehub.com/tag/lower-1080637" style="font-weight:bold;" target="_blank" title="Click to know more about LOWER">LOWER</a> water's surface tension are called <a href="https://interviewquestions.tuteehub.com/tag/surfactants-19001" style="font-weight:bold;" target="_blank" title="Click to know more about SURFACTANTS">SURFACTANTS</a>, which work by separating the water molecules 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> | |
| 261. |
Superconductors are those elements |
| Answer» <html><body><p> Whose resistance falls almost to zero at very low temperatures</p><br/><br/><p>Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic <a href="https://interviewquestions.tuteehub.com/tag/fields-987430" style="font-weight:bold;" target="_blank" title="Click to know more about FIELDS">FIELDS</a> occurring in certain <a href="https://interviewquestions.tuteehub.com/tag/materials-1089380" style="font-weight:bold;" target="_blank" title="Click to know more about MATERIALS">MATERIALS</a> when cooled below a characteristic critical temperature. It is characterized by the Meissner <a href="https://interviewquestions.tuteehub.com/tag/effect-966056" style="font-weight:bold;" target="_blank" title="Click to know more about EFFECT">EFFECT</a>, the <a href="https://interviewquestions.tuteehub.com/tag/complete-423576" style="font-weight:bold;" target="_blank" title="Click to know more about COMPLETE">COMPLETE</a> ejection of magnetic field lines from the interior of the superconductor as it transitions into the superconducting state. The electrical resistivity of a metallic conductor decreases gradually as temperature is lowered. In a superconductor, the resistance drops abruptly to zero when the material is cooled below its critical temperature. 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> current flowing in a loop of superconducting wire can persist indefinitely with no power source.</p></body></html> | |
| 262. |
It is difficult to cook rice |
| Answer» <html><body><p> At the top of a mountain</p><br/><br/><p>At <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> altitude pressure is low and therefore the <a href="https://interviewquestions.tuteehub.com/tag/boiling-17187" style="font-weight:bold;" target="_blank" title="Click to know more about BOILING">BOILING</a> point is <a href="https://interviewquestions.tuteehub.com/tag/also-373387" style="font-weight:bold;" target="_blank" title="Click to know more about ALSO">ALSO</a> low. In this case, water <a href="https://interviewquestions.tuteehub.com/tag/starts-1224822" style="font-weight:bold;" target="_blank" title="Click to know more about STARTS">STARTS</a> boiling below its boiling point but rice cooks at <a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a>. So, it is difficult to cook rice at high altitudes.</p></body></html> | |
| 263. |
Rolling friction is caused by ________ |
| Answer» <html><body><p> Non-elastic <a href="https://interviewquestions.tuteehub.com/tag/effects-449163" style="font-weight:bold;" target="_blank" title="Click to know more about EFFECTS">EFFECTS</a></p><br/><br/><p>Rolling <a href="https://interviewquestions.tuteehub.com/tag/friction-21545" style="font-weight:bold;" target="_blank" title="Click to know more about FRICTION">FRICTION</a> 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 non-elastic effects.</p></body></html> | |
| 264. |
Echolocation is an adaptation bats use to |
| Answer» <html><body><p> All of the above</p><br/><br/><p>Echolocation is an adaptation bats <a href="https://interviewquestions.tuteehub.com/tag/use-1441041" style="font-weight:bold;" target="_blank" title="Click to know more about USE">USE</a> to <a href="https://interviewquestions.tuteehub.com/tag/locate-543614" style="font-weight:bold;" target="_blank" title="Click to know more about LOCATE">LOCATE</a> flowering plants, <a href="https://interviewquestions.tuteehub.com/tag/hunt-492772" style="font-weight:bold;" target="_blank" title="Click to know more about HUNT">HUNT</a> insects in flight and find warm places for <a href="https://interviewquestions.tuteehub.com/tag/hibernation-1020017" style="font-weight:bold;" target="_blank" title="Click to know more about HIBERNATION">HIBERNATION</a>.</p></body></html> | |
| 265. |
When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/forced-2086335" style="font-weight:bold;" target="_blank" title="Click to know more about FORCED">FORCED</a> vibrations</p><br/><br/><p>When a vibrating tuning fork is placed on a table, then a large sound is <a href="https://interviewquestions.tuteehub.com/tag/heard-2695126" style="font-weight:bold;" target="_blank" title="Click to know more about HEARD">HEARD</a> due to the <a href="https://interviewquestions.tuteehub.com/tag/entire-972365" style="font-weight:bold;" target="_blank" title="Click to know more about ENTIRE">ENTIRE</a> system begins vibrating and forces <a href="https://interviewquestions.tuteehub.com/tag/surrounding-1235953" style="font-weight:bold;" target="_blank" title="Click to know more about SURROUNDING">SURROUNDING</a> air <a href="https://interviewquestions.tuteehub.com/tag/particles-1147533" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLES">PARTICLES</a> into vibration motion. The tendency of one object to force another adjoining or interconnected object into vibration motion is referred to as a forced vibration.</p></body></html> | |
| 266. |
In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? |
| Answer» <html><body><p> Ultraviolet</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/lyman-545655" style="font-weight:bold;" target="_blank" title="Click to know more about LYMAN">LYMAN</a> <a href="https://interviewquestions.tuteehub.com/tag/series-1201802" style="font-weight:bold;" target="_blank" title="Click to know more about SERIES">SERIES</a> lies in the ultraviolet <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 electromagnetic spectrum.</p></body></html> | |
| 267. |
The strength of an electromagnet can be increased by |
| Answer» <html><body><p> All of the above</p><br/><br/><p>The strength of an electromagnet can be increased by increasing the <a href="https://interviewquestions.tuteehub.com/tag/length-1071524" style="font-weight:bold;" target="_blank" title="Click to know more about LENGTH">LENGTH</a> of the coiled <a href="https://interviewquestions.tuteehub.com/tag/wire-1457703" style="font-weight:bold;" target="_blank" title="Click to know more about WIRE">WIRE</a>, increasing current <a href="https://interviewquestions.tuteehub.com/tag/supply-1235254" style="font-weight:bold;" target="_blank" title="Click to know more about SUPPLY">SUPPLY</a> or increasing the <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of turns.</p></body></html> | |
| 268. |
Earliest thermometer was developed by |
| Answer» <html><body><p> Galileo</p><br/><br/><p>Thermoscopes were the earliest <a href="https://interviewquestions.tuteehub.com/tag/types-15918" style="font-weight:bold;" target="_blank" title="Click to know more about TYPES">TYPES</a> of <a href="https://interviewquestions.tuteehub.com/tag/thermometers-1410881" style="font-weight:bold;" target="_blank" title="Click to know more about THERMOMETERS">THERMOMETERS</a> and they only showed <a href="https://interviewquestions.tuteehub.com/tag/changes-913881" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGES">CHANGES</a> in <a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a> but didn't show <a href="https://interviewquestions.tuteehub.com/tag/numerical-582187" style="font-weight:bold;" target="_blank" title="Click to know more about NUMERICAL">NUMERICAL</a> values. One of the first thermoscopes was developed by Italian inventor, Galeleo Galilei in 1593.</p></body></html> | |
| 269. |
If the temperature of a place increases suddenly, the relative humidity |
| 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></p><br/><br/><p>Relative humidity is the ratio of the partial <a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a> of water vapour in an air-water mixture to the <a href="https://interviewquestions.tuteehub.com/tag/saturated-3007745" style="font-weight:bold;" target="_blank" title="Click to know more about SATURATED">SATURATED</a> vapour pressure of water at a prescribed <a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a>. The relative humidity of air depends not only on temperature but also on the pressure of the system of interest. If the system at State A is isobarically heated (heating with no change in system pressure) then the relative humidity of the system decreases because the saturated vapour pressure of water increases with increasing temperature.</p></body></html> | |
| 270. |
Acceleration is the rate of change of |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a></p><br/><br/><p>Acceleration is 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 <a href="https://interviewquestions.tuteehub.com/tag/change-913808" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGE">CHANGE</a> of velocity.</p></body></html> | |
| 271. |
In ________ motion of a body its velocity varies with time. |
| Answer» <html><body><p> Non-uniform</p><br/><br/><p>In non-uniform <a href="https://interviewquestions.tuteehub.com/tag/motion-1104108" style="font-weight:bold;" target="_blank" title="Click to know more about MOTION">MOTION</a> of a <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> its <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a> <a href="https://interviewquestions.tuteehub.com/tag/varies-1443299" style="font-weight:bold;" target="_blank" title="Click to know more about VARIES">VARIES</a> with <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>.</p></body></html> | |
| 272. |
Metals are good conductors of electricity because |
| Answer» <html><body><p> They contain free electrons</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/metals-1094891" style="font-weight:bold;" target="_blank" title="Click to know more about METALS">METALS</a> are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which <a href="https://interviewquestions.tuteehub.com/tag/outer-1142537" style="font-weight:bold;" target="_blank" title="Click to know more about OUTER">OUTER</a> electrons can move freely. Instead of orbiting their <a href="https://interviewquestions.tuteehub.com/tag/respective-1186765" style="font-weight:bold;" target="_blank" title="Click to know more about RESPECTIVE">RESPECTIVE</a> atoms, they form a <a href="https://interviewquestions.tuteehub.com/tag/sea-638310" style="font-weight:bold;" target="_blank" title="Click to know more about SEA">SEA</a> of electrons that surround the positive nuclei of the <a href="https://interviewquestions.tuteehub.com/tag/interacting-2743075" style="font-weight:bold;" target="_blank" title="Click to know more about INTERACTING">INTERACTING</a> metal ions.</p></body></html> | |
| 273. |
In the electrical circuit of a house, the fuse acts as |
| Answer» <html><body><p> A safety device</p><br/><br/><p>In the electrical <a href="https://interviewquestions.tuteehub.com/tag/circuit-916593" style="font-weight:bold;" target="_blank" title="Click to know more about CIRCUIT">CIRCUIT</a> of a house, the <a href="https://interviewquestions.tuteehub.com/tag/fuse-1002649" style="font-weight:bold;" target="_blank" title="Click to know more about FUSE">FUSE</a> <a href="https://interviewquestions.tuteehub.com/tag/acts-848461" style="font-weight:bold;" target="_blank" title="Click to know more about ACTS">ACTS</a> as a safety device.</p></body></html> | |
| 274. |
Unit of impedance is ________ |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/ohm-1129796" style="font-weight:bold;" target="_blank" title="Click to know more about OHM">OHM</a></p><br/><br/><p>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 <a href="https://interviewquestions.tuteehub.com/tag/impedance-1037707" style="font-weight:bold;" target="_blank" title="Click to know more about IMPEDANCE">IMPEDANCE</a>, <a href="https://interviewquestions.tuteehub.com/tag/like-1073845" style="font-weight:bold;" target="_blank" title="Click to know more about LIKE">LIKE</a> that of <a href="https://interviewquestions.tuteehub.com/tag/resistance-1186351" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTANCE">RESISTANCE</a>, is the ohm.</p></body></html> | |
| 275. |
X–rays are |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/neutral-1114358" style="font-weight:bold;" target="_blank" title="Click to know more about NEUTRAL">NEUTRAL</a> <a href="https://interviewquestions.tuteehub.com/tag/particles-1147533" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLES">PARTICLES</a></p><br/><br/><p>X–rays are neutral particles.</p></body></html> | |
| 276. |
Which of the following events occurred first ? |
| Answer» <html><body><p> Max Planck unveiled the Quantum Theory</p><br/><br/><p>General Theory of Relativity: a theory of gravitation developed by Einstein in the years 1907–1915; Quantum Theory of Max Planck: 1900; Transmission of wireless signal by Marconi: first <a href="https://interviewquestions.tuteehub.com/tag/atlantic-384933" style="font-weight:bold;" target="_blank" title="Click to know more about ATLANTIC">ATLANTIC</a> wireless transmission on December 11, 1901; and Madame Curie becoming the first <a href="https://interviewquestions.tuteehub.com/tag/woman-1458196" style="font-weight:bold;" target="_blank" title="Click to know more about WOMAN">WOMAN</a> Nobel <a href="https://interviewquestions.tuteehub.com/tag/prize-1167065" style="font-weight:bold;" target="_blank" title="Click to know more about PRIZE">PRIZE</a> <a href="https://interviewquestions.tuteehub.com/tag/winner-1457598" style="font-weight:bold;" target="_blank" title="Click to know more about WINNER">WINNER</a>: shared her 1903 Nobel Prize in Physics with her husband Pierre Curie.</p></body></html> | |
| 277. |
The energy that generates wind comes from what source? |
| Answer» <html><body><p> Solar <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>The energy that generates wind <a href="https://interviewquestions.tuteehub.com/tag/comes-2017383" style="font-weight:bold;" target="_blank" title="Click to know more about COMES">COMES</a> from solar radiation.</p></body></html> | |
| 278. |
The refractive index of a transparent medium is maximum for |
| Answer» <html><body><p> Violet <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><br/><br/><p>The refractive index of a transparent <a href="https://interviewquestions.tuteehub.com/tag/medium-1092763" style="font-weight:bold;" target="_blank" title="Click to know more about MEDIUM">MEDIUM</a> is most for violet light. The reason is that 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 violet light is least in a transparent medium while the speed of <a href="https://interviewquestions.tuteehub.com/tag/red-613739" style="font-weight:bold;" target="_blank" title="Click to know more about RED">RED</a> light is most in transparent medium.</p></body></html> | |
| 279. |
In the atmosphere ultraviolet rays are absorbed by |
| Answer» <html><body><p> Oxygen</p><br/><br/><p>As <a href="https://interviewquestions.tuteehub.com/tag/sunlight-1234644" style="font-weight:bold;" target="_blank" title="Click to know more about SUNLIGHT">SUNLIGHT</a> passes through the atmosphere, all UVC and approximately 90% of UVB radiation is absorbed by ozone, water <a href="https://interviewquestions.tuteehub.com/tag/vapour-1442886" style="font-weight:bold;" target="_blank" title="Click to know more about VAPOUR">VAPOUR</a>, oxygen and carbon dioxide. <a href="https://interviewquestions.tuteehub.com/tag/uva-3253319" style="font-weight:bold;" target="_blank" title="Click to know more about UVA">UVA</a> radiation is <a href="https://interviewquestions.tuteehub.com/tag/less-1071906" style="font-weight:bold;" target="_blank" title="Click to know more about LESS">LESS</a> affected by the atmosphere. Therefore, the UV radiation reaching the Earth's surface is largely composed of UVA with a small UVB <a href="https://interviewquestions.tuteehub.com/tag/component-926634" style="font-weight:bold;" target="_blank" title="Click to know more about COMPONENT">COMPONENT</a>.</p></body></html> | |
| 280. |
Electric power is measured in units of |
| Answer» <html><body><p> Watt</p><br/><br/><p>Electricity is <a href="https://interviewquestions.tuteehub.com/tag/measured-7257656" style="font-weight:bold;" target="_blank" title="Click to know more about MEASURED">MEASURED</a> in <a href="https://interviewquestions.tuteehub.com/tag/watts-1450307" style="font-weight:bold;" target="_blank" title="Click to know more about WATTS">WATTS</a> and <a href="https://interviewquestions.tuteehub.com/tag/kilowatts-1064197" style="font-weight:bold;" target="_blank" title="Click to know more about KILOWATTS">KILOWATTS</a>.</p></body></html> | |
| 281. |
Newton's first law of motion gives the concept of |
| Answer» <html><body><p> Inertia</p><br/><br/><p>Newton's <a href="https://interviewquestions.tuteehub.com/tag/first-461760" style="font-weight:bold;" target="_blank" title="Click to know more about FIRST">FIRST</a> law of motion is <a href="https://interviewquestions.tuteehub.com/tag/sometimes-648384" style="font-weight:bold;" target="_blank" title="Click to know more about SOMETIMES">SOMETIMES</a> referred to as the law of inertia. An object at <a href="https://interviewquestions.tuteehub.com/tag/rest-11386" style="font-weight:bold;" target="_blank" title="Click to know more about REST">REST</a> stays at rest and an object in motion stays in motion with the same <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> and in the same <a href="https://interviewquestions.tuteehub.com/tag/direction-1696" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTION">DIRECTION</a> unless acted upon by an unbalanced force.</p></body></html> | |
| 282. |
The density of water is 1 g/cc. This is strictly valid at |
| Answer» <html><body><p> 4°C</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/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> is <a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a> g/cc. This is <a href="https://interviewquestions.tuteehub.com/tag/strictly-2258227" style="font-weight:bold;" target="_blank" title="Click to know more about STRICTLY">STRICTLY</a> <a href="https://interviewquestions.tuteehub.com/tag/valid-723164" style="font-weight:bold;" target="_blank" title="Click to know more about VALID">VALID</a> at 4°C.</p></body></html> | |
| 283. |
A radioactive substance does not undergo any change (in mass or charge) during |
| Answer» <html><body><p> Gamma-emission</p><br/><br/><p>Gamma-<a href="https://interviewquestions.tuteehub.com/tag/rays-1178020" style="font-weight:bold;" target="_blank" title="Click to know more about RAYS">RAYS</a> do not carry any charge. These rays do not have any mass and hence can not be <a href="https://interviewquestions.tuteehub.com/tag/considered-7257760" style="font-weight:bold;" target="_blank" title="Click to know more about CONSIDERED">CONSIDERED</a> to be <a href="https://interviewquestions.tuteehub.com/tag/made-3718337" style="font-weight:bold;" target="_blank" title="Click to know more about MADE">MADE</a> up of particles.</p></body></html> | |
| 284. |
Radio telescopes are better than optical telescopes because |
| Answer» <html><body><p> All of the above</p><br/><br/><p>Radio telescopes are better than <a href="https://interviewquestions.tuteehub.com/tag/optical-583872" style="font-weight:bold;" target="_blank" title="Click to know more about OPTICAL">OPTICAL</a> telescopes because they can detect <a href="https://interviewquestions.tuteehub.com/tag/faint-983039" style="font-weight:bold;" target="_blank" title="Click to know more about FAINT">FAINT</a> galaxies which no optical telescope can, they can work even in cloudy conditions and they can work during the <a href="https://interviewquestions.tuteehub.com/tag/day-944776" style="font-weight:bold;" target="_blank" title="Click to know more about DAY">DAY</a> and <a href="https://interviewquestions.tuteehub.com/tag/night-1117948" style="font-weight:bold;" target="_blank" title="Click to know more about NIGHT">NIGHT</a>.</p></body></html> | |
| 285. |
Solar energy is converted into chemical energy during |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/photosynthesis-18681" style="font-weight:bold;" target="_blank" title="Click to know more about PHOTOSYNTHESIS">PHOTOSYNTHESIS</a></p><br/><br/><p>Solar <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> 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 href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> energy during photosynthesis.</p></body></html> | |
| 286. |
If lift is going up with acceleration, the apparent weight of a body is |
| Answer» <html><body><p> More than the <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> weight</p><br/><br/><p>If <a href="https://interviewquestions.tuteehub.com/tag/lift-1073338" style="font-weight:bold;" target="_blank" title="Click to know more about LIFT">LIFT</a> is going up with acceleration, the <a href="https://interviewquestions.tuteehub.com/tag/apparent-363672" style="font-weight:bold;" target="_blank" title="Click to know more about APPARENT">APPARENT</a> weight of a body is more than the true weight.</p></body></html> | |
| 287. |
Temperature of distant luminous bodies can be determined by |
| Answer» <html><body><p> Pyrometers</p><br/><br/><p>A pyrometer is a type of remote-sensing <a href="https://interviewquestions.tuteehub.com/tag/thermometer-1410877" style="font-weight:bold;" target="_blank" title="Click to know more about THERMOMETER">THERMOMETER</a> used to measure the temperature of a surface. It is a device that from a distance <a href="https://interviewquestions.tuteehub.com/tag/determines-949924" style="font-weight:bold;" target="_blank" title="Click to know more about DETERMINES">DETERMINES</a> the temperature of a luminous surface from the spectrum of the thermal radiation it <a href="https://interviewquestions.tuteehub.com/tag/emits-450754" style="font-weight:bold;" target="_blank" title="Click to know more about EMITS">EMITS</a>, a <a href="https://interviewquestions.tuteehub.com/tag/process-11618" style="font-weight:bold;" target="_blank" title="Click to know more about PROCESS">PROCESS</a> known as pyrometry.</p></body></html> | |
| 288. |
An electric fuse is based on |
| Answer» <html><body><p> The heating effect of the current</p><br/><br/><p>The electric <a href="https://interviewquestions.tuteehub.com/tag/fuse-1002649" style="font-weight:bold;" target="_blank" title="Click to know more about FUSE">FUSE</a> is based on the heating effect of the current. Electric fuse have low <a href="https://interviewquestions.tuteehub.com/tag/melting-1093090" style="font-weight:bold;" target="_blank" title="Click to know more about MELTING">MELTING</a> point so when high current <a href="https://interviewquestions.tuteehub.com/tag/flow-993213" style="font-weight:bold;" target="_blank" title="Click to know more about FLOW">FLOW</a> through fuse wire it heated and <a href="https://interviewquestions.tuteehub.com/tag/melted-7290659" style="font-weight:bold;" target="_blank" title="Click to know more about MELTED">MELTED</a> and break down the electric circuit.</p></body></html> | |
| 289. |
If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is: |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/convex-933348" style="font-weight:bold;" target="_blank" title="Click to know more about CONVEX">CONVEX</a> mirror</p><br/><br/><p>A convex mirror bends <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> as it reflects the light, and the farther away a point is from the center, the more the light is <a href="https://interviewquestions.tuteehub.com/tag/bent-395665" style="font-weight:bold;" target="_blank" title="Click to know more about BENT">BENT</a>. As a result, an image <a href="https://interviewquestions.tuteehub.com/tag/formed-464209" style="font-weight:bold;" target="_blank" title="Click to know more about FORMED">FORMED</a> in a convex mirror is smaller than an image in a plane (flat) mirror.</p></body></html> | |
| 290. |
When a body falls from an aeroplane, there is increase in its |
| Answer» <html><body><p> Acceleration</p><br/><br/><p>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> possessed by a body by virtue of its motion is called kinetic energy. Potential Energy is the energy possessed by virtue of its <a href="https://interviewquestions.tuteehub.com/tag/position-1159826" style="font-weight:bold;" target="_blank" title="Click to know more about POSITION">POSITION</a> or configuration. When a body <a href="https://interviewquestions.tuteehub.com/tag/falls-983294" style="font-weight:bold;" target="_blank" title="Click to know more about FALLS">FALLS</a> from an aeroplane, there is <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 its acceleration.</p></body></html> | |
| 291. |
Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?I.DiffusionII.RefractionIII.Internal reflection |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/ii-1036832" style="font-weight:bold;" target="_blank" title="Click to know more about II">II</a> and III</p><br/><br/><p>Refraction and <a href="https://interviewquestions.tuteehub.com/tag/internal-517481" style="font-weight:bold;" target="_blank" title="Click to know more about INTERNAL">INTERNAL</a> reflection are <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 this physical <a href="https://interviewquestions.tuteehub.com/tag/phenomena-1152986" style="font-weight:bold;" target="_blank" title="Click to know more about PHENOMENA">PHENOMENA</a>.</p></body></html> | |
| 292. |
The complete form of 'IC' in electronics is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/integrated-1047046" style="font-weight:bold;" target="_blank" title="Click to know more about INTEGRATED">INTEGRATED</a> circuit</p><br/><br/><p>IC stands for Integrated Circuit. It is a set of <a href="https://interviewquestions.tuteehub.com/tag/electronic-968847" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONIC">ELECTRONIC</a> circuits on one small plate (“chip”) of semiconductor material, normally silicon. Also <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 chip or microchip, ICs are the heart and brains of most circuits and are are a keystone of <a href="https://interviewquestions.tuteehub.com/tag/modern-1099449" style="font-weight:bold;" target="_blank" title="Click to know more about MODERN">MODERN</a> electronics.</p></body></html> | |
| 293. |
Gamma rays can cause |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/gene-1004321" style="font-weight:bold;" target="_blank" title="Click to know more about GENE">GENE</a> <a href="https://interviewquestions.tuteehub.com/tag/mutation-19304" style="font-weight:bold;" target="_blank" title="Click to know more about MUTATION">MUTATION</a></p><br/><br/><p>Gamma <a href="https://interviewquestions.tuteehub.com/tag/rays-1178020" style="font-weight:bold;" target="_blank" title="Click to know more about RAYS">RAYS</a> can <a href="https://interviewquestions.tuteehub.com/tag/cause-910965" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSE">CAUSE</a> Gene mutation.</p></body></html> | |
| 294. |
During uniform motion of an object along a straight line, its ________ remains constant with time. |
| Answer» <html><body><p> Velocity</p><br/><br/><p>During <a href="https://interviewquestions.tuteehub.com/tag/uniform-1437485" style="font-weight:bold;" target="_blank" title="Click to know more about UNIFORM">UNIFORM</a> motion of an object <a href="https://interviewquestions.tuteehub.com/tag/along-1974109" style="font-weight:bold;" target="_blank" title="Click to know more about ALONG">ALONG</a> a straight <a href="https://interviewquestions.tuteehub.com/tag/line-1074199" style="font-weight:bold;" target="_blank" title="Click to know more about LINE">LINE</a>, its velocity <a href="https://interviewquestions.tuteehub.com/tag/remains-621920" style="font-weight:bold;" target="_blank" title="Click to know more about REMAINS">REMAINS</a> <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a> with time.</p></body></html> | |
| 295. |
Which one among the following doesn't have any effect on velocity of sound ? |
| Answer» <html><body><p> Humidity</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> of sound varies depending on the temperature, pressure, and density of the <a href="https://interviewquestions.tuteehub.com/tag/medium-1092763" style="font-weight:bold;" target="_blank" title="Click to know more about MEDIUM">MEDIUM</a> through which the sound waves travel. In most of the <a href="https://interviewquestions.tuteehub.com/tag/cases-910165" style="font-weight:bold;" target="_blank" title="Click to know more about CASES">CASES</a>, it is density which matters. Sound travels faster through denser air (or other material). The density of air is <a href="https://interviewquestions.tuteehub.com/tag/affectedbrbr-2402998" style="font-weight:bold;" target="_blank" title="Click to know more about AFFECTED">AFFECTED</a> by <a href="https://interviewquestions.tuteehub.com/tag/atmospheric-887165" style="font-weight:bold;" target="_blank" title="Click to know more about ATMOSPHERIC">ATMOSPHERIC</a> pressure, temperature, and altitude.</p></body></html> | |
| 296. |
The illuminating powers of two sources are compared by |
| Answer» <html><body><p> A <a href="https://interviewquestions.tuteehub.com/tag/photometer-1153528" style="font-weight:bold;" target="_blank" title="Click to know more about PHOTOMETER">PHOTOMETER</a></p><br/><br/><p>The illuminating <a href="https://interviewquestions.tuteehub.com/tag/powers-1162174" style="font-weight:bold;" target="_blank" title="Click to know more about POWERS">POWERS</a> of <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> sources are <a href="https://interviewquestions.tuteehub.com/tag/compared-7256615" style="font-weight:bold;" target="_blank" title="Click to know more about COMPARED">COMPARED</a> by a photometer.</p></body></html> | |
| 297. |
Which of the following options correctly explains the term heat budget? |
| Answer» <html><body><p> It is the <a href="https://interviewquestions.tuteehub.com/tag/balance-891682" style="font-weight:bold;" target="_blank" title="Click to know more about BALANCE">BALANCE</a> between <a href="https://interviewquestions.tuteehub.com/tag/incoming-7266786" style="font-weight:bold;" target="_blank" title="Click to know more about INCOMING">INCOMING</a> and outgoing radiation</p><br/><br/><p>Incoming heat being absorbed by the Earth, and outgoing heat <a href="https://interviewquestions.tuteehub.com/tag/escaping-975171" style="font-weight:bold;" target="_blank" title="Click to know more about ESCAPING">ESCAPING</a> the Earth in the form of radiation are both perfectly balanced. If they were not balanced, then Earth would be getting either <a href="https://interviewquestions.tuteehub.com/tag/progressively-607120" style="font-weight:bold;" target="_blank" title="Click to know more about PROGRESSIVELY">PROGRESSIVELY</a> warmer or progressively cooler with each passing year. This balance between incoming and outgoing heat 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 Earth’s heat budget.</p></body></html> | |
| 298. |
The mercury and sodium street lamps light up because of : |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/atomic-2477" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMIC">ATOMIC</a> emission</p><br/><br/><p>The light in sodium vapour lamp and mercury vapour lamp is, because of electron emission. In case of Sodium Lamps, filaments of the lamp sputter <a href="https://interviewquestions.tuteehub.com/tag/fast-456451" style="font-weight:bold;" target="_blank" title="Click to know more about FAST">FAST</a> moving electrons, which hit the sodium atoms (vapour) causing the valence electrons of the sodium atoms to excite to higher energy levels and the electrons thus excited relax by emitting the characteristic monochromatic bright <a href="https://interviewquestions.tuteehub.com/tag/yellow-1464953" style="font-weight:bold;" target="_blank" title="Click to know more about YELLOW">YELLOW</a> light. The mechanism in mercury vapour lamp is more <a href="https://interviewquestions.tuteehub.com/tag/involved-7257329" style="font-weight:bold;" target="_blank" title="Click to know more about INVOLVED">INVOLVED</a> and sequential. The sputtered electrons from the filaments, after having been <a href="https://interviewquestions.tuteehub.com/tag/accelerated-366473" style="font-weight:bold;" target="_blank" title="Click to know more about ACCELERATED">ACCELERATED</a> by high voltage, hit the mercury atoms. Here also, the excited electrons of mercury atoms relax by emitting characteristic but ultraviolet light.</p></body></html> | |
| 299. |
Instrument for measuring blueness of the sky or ocean is called ________ |
| Answer» <html><body><p> Cyanometer</p><br/><br/><p>A cyanometer (from cyan and -meter) is an instrument for measuring "blueness", <a href="https://interviewquestions.tuteehub.com/tag/specifically-1221530" style="font-weight:bold;" target="_blank" title="Click to know more about SPECIFICALLY">SPECIFICALLY</a> the colour <a href="https://interviewquestions.tuteehub.com/tag/intensity-1047474" style="font-weight:bold;" target="_blank" title="Click to know more about INTENSITY">INTENSITY</a> of <a href="https://interviewquestions.tuteehub.com/tag/blue-899773" style="font-weight:bold;" target="_blank" title="Click to know more about BLUE">BLUE</a> <a href="https://interviewquestions.tuteehub.com/tag/sky-1211556" style="font-weight:bold;" target="_blank" title="Click to know more about SKY">SKY</a>.</p></body></html> | |
| 300. |
A periscope works by the principle of |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/total-711110" style="font-weight:bold;" target="_blank" title="Click to know more about TOTAL">TOTAL</a> internal <a href="https://interviewquestions.tuteehub.com/tag/reflection-13747" style="font-weight:bold;" target="_blank" title="Click to know more about REFLECTION">REFLECTION</a></p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/periscope-1151260" style="font-weight:bold;" target="_blank" title="Click to know more about PERISCOPE">PERISCOPE</a> works by 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 total internal reflection.</p></body></html> | |