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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.
| 51. |
The energy of a photon varies directly with its |
| Answer» <html><body><p> Frequency</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/amount-374803" style="font-weight:bold;" target="_blank" title="Click to know more about AMOUNT">AMOUNT</a> of energy is directly proportional to the photon's electromagnetic frequency and thus, equivalently, is <a href="https://interviewquestions.tuteehub.com/tag/inversely-7688775" style="font-weight:bold;" target="_blank" title="Click to know more about INVERSELY">INVERSELY</a> proportional to the wavelength. 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 photon's frequency, the higher its energy. Equivalently, the longer the photon's wavelength, the <a href="https://interviewquestions.tuteehub.com/tag/lower-1080637" style="font-weight:bold;" target="_blank" title="Click to know more about LOWER">LOWER</a> its energy.</p></body></html> | |
| 52. |
When a piece of stone is immersed in water, it displaces water of equal |
| Answer» <html><body><p> Mass</p><br/><br/><p>Archimedes’ <a href="https://interviewquestions.tuteehub.com/tag/principle-1166255" style="font-weight:bold;" target="_blank" title="Click to know more about PRINCIPLE">PRINCIPLE</a> states that upward buoyant force exerted on a <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> immersed in a fluid is equal to the <a href="https://interviewquestions.tuteehub.com/tag/weight-1451304" style="font-weight:bold;" target="_blank" title="Click to know more about WEIGHT">WEIGHT</a> of the fluid the body <a href="https://interviewquestions.tuteehub.com/tag/displaces-956139" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACES">DISPLACES</a>.</p></body></html> | |
| 53. |
Which of the following is a non renewable source of energy ? |
| Answer» <html><body><p> Coal</p><br/><br/><p>Coal is a <a href="https://interviewquestions.tuteehub.com/tag/non-580180" style="font-weight:bold;" target="_blank" title="Click to know more about NON">NON</a> <a href="https://interviewquestions.tuteehub.com/tag/renewable-622065" style="font-weight:bold;" target="_blank" title="Click to know more about RENEWABLE">RENEWABLE</a> <a href="https://interviewquestions.tuteehub.com/tag/source-1219297" style="font-weight:bold;" target="_blank" title="Click to know more about SOURCE">SOURCE</a> of <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a>.</p></body></html> | |
| 54. |
The cover of a solar cooker is made of glass because |
| Answer» <html><body><p> It retains the heat inside by the green house effect</p><br/><br/><p>Cover of the solar cooker is made of glass because glass allows the sunlight to <a href="https://interviewquestions.tuteehub.com/tag/pass-1148402" style="font-weight:bold;" target="_blank" title="Click to know more about PASS">PASS</a> through it and concentrate at one <a href="https://interviewquestions.tuteehub.com/tag/focal-2648683" style="font-weight:bold;" target="_blank" title="Click to know more about FOCAL">FOCAL</a> point, it <a href="https://interviewquestions.tuteehub.com/tag/also-373387" style="font-weight:bold;" target="_blank" title="Click to know more about ALSO">ALSO</a> prevents heat to escape out of the cooker.</p></body></html> | |
| 55. |
Purpose of an optical filter is to |
| Answer» <html><body><p> Transmit or absorb <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> of different colours</p><br/><br/><p>Optical filters are devices that <a href="https://interviewquestions.tuteehub.com/tag/selectively-7712470" style="font-weight:bold;" target="_blank" title="Click to know more about SELECTIVELY">SELECTIVELY</a> transmit light in a particular range of wavelengths, that is, colors, while blocking the remainder. They are commonly used in photography (where some special effect filters are occasionally used as <a href="https://interviewquestions.tuteehub.com/tag/well-734398" style="font-weight:bold;" target="_blank" title="Click to know more about WELL">WELL</a> as absorptive filters), fluorescence microscopy, spectroscopy, clinical <a href="https://interviewquestions.tuteehub.com/tag/chemistry-506" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMISTRY">CHEMISTRY</a>, colour <a href="https://interviewquestions.tuteehub.com/tag/stage-1223778" style="font-weight:bold;" target="_blank" title="Click to know more about STAGE">STAGE</a> lighting, etc.</p></body></html> | |
| 56. |
During hot weather, the fan produces a feeling of comfort. This is because |
| Answer» <html><body><p> Our perspiration eva-porates <a href="https://interviewquestions.tuteehub.com/tag/rapidly-2972968" style="font-weight:bold;" target="_blank" title="Click to know more about RAPIDLY">RAPIDLY</a></p><br/><br/><p>During <a href="https://interviewquestions.tuteehub.com/tag/hot-1029680" style="font-weight:bold;" target="_blank" title="Click to know more about HOT">HOT</a> weather, the fan produces a feeling of <a href="https://interviewquestions.tuteehub.com/tag/comfort-922950" style="font-weight:bold;" target="_blank" title="Click to know more about COMFORT">COMFORT</a>. This is because our perspiration evaporates rapidly.</p></body></html> | |
| 57. |
When a body is immersed in a liquid, the force acting on it is |
| Answer» <html><body><p> Both (A) and (B)</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/according-366619" style="font-weight:bold;" target="_blank" title="Click to know more about ACCORDING">ACCORDING</a> to 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 <a href="https://interviewquestions.tuteehub.com/tag/flotation-993193" style="font-weight:bold;" target="_blank" title="Click to know more about FLOTATION">FLOTATION</a>, when a body is immersed in a fluid, two forces <a href="https://interviewquestions.tuteehub.com/tag/act-1106" style="font-weight:bold;" target="_blank" title="Click to know more about ACT">ACT</a> on it: (1) The weight of the body acting vertically downward through the centre of gravity of the body, and (2) The upthrust of the fluid acting vertically upward through the centre of gravity of the fluid displaced, i.e., centre of buoyancy. The upthrust is also termed as <a href="https://interviewquestions.tuteehub.com/tag/buoyant-391416" style="font-weight:bold;" target="_blank" title="Click to know more about BUOYANT">BUOYANT</a> force.</p></body></html> | |
| 58. |
An aircraft can perform aerobatic manoeuvres in a vertical loop because of |
| Answer» <html><body><p> Gravity</p><br/><br/><p>It happens because of gravity. A key feature of super maneuvering aircrafts is a high thrust-to-weight ratio; that is, the comparison of the force produced by the engines to the aircraft’s weight, which is the force of gravity on the aircraft. A thrust-to-weight ratio greater than 1:1 is a critical threshold, as it allows the aircraft to maintain and <a href="https://interviewquestions.tuteehub.com/tag/even-976335" style="font-weight:bold;" target="_blank" title="Click to know more about EVEN">EVEN</a> gain velocity in a nose-up attitude; such a climb is based on sheer engine <a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a>, without any lift provided by the wings to counter gravity, and has become crucial to <a href="https://interviewquestions.tuteehub.com/tag/aerobatic-7739685" style="font-weight:bold;" target="_blank" title="Click to know more about AEROBATIC">AEROBATIC</a> maneuvers in the vertical <a href="https://interviewquestions.tuteehub.com/tag/loop-1079198" style="font-weight:bold;" target="_blank" title="Click to know more about LOOP">LOOP</a>.</p></body></html> | |
| 59. |
Which of the following phenomenon helps to conclude that light is a transverse wave? |
| Answer» <html><body><p> Polarisation</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/polarization-15597" style="font-weight:bold;" target="_blank" title="Click to know more about POLARIZATION">POLARIZATION</a> <a href="https://interviewquestions.tuteehub.com/tag/phenomenon-599568" style="font-weight:bold;" target="_blank" title="Click to know more about PHENOMENON">PHENOMENON</a>, verifies the transverse <a href="https://interviewquestions.tuteehub.com/tag/nature-1112013" style="font-weight:bold;" target="_blank" title="Click to know more about NATURE">NATURE</a> of light.</p></body></html> | |
| 60. |
Siphon will fail to work if: |
| Answer» <html><body><p> The level of the liquid in the two vessels are at the same <a href="https://interviewquestions.tuteehub.com/tag/height-1017806" style="font-weight:bold;" target="_blank" title="Click to know more about HEIGHT">HEIGHT</a>.</p><br/><br/><p><a href="https://interviewquestions.tuteehub.com/tag/siphon-644921" style="font-weight:bold;" target="_blank" title="Click to know more about SIPHON">SIPHON</a> is a tube bent to form two legs of unequal length by which a liquid can be transferred from a reservoir and then down to a <a href="https://interviewquestions.tuteehub.com/tag/lower-1080637" style="font-weight:bold;" target="_blank" title="Click to know more about LOWER">LOWER</a> level of it. Siphon will fail to <a href="https://interviewquestions.tuteehub.com/tag/work-20377" style="font-weight:bold;" target="_blank" title="Click to know more about WORK">WORK</a> if, the level of the liquid in the two vessels are at the same height.</p></body></html> | |
| 61. |
A liquid disturbed by stirring comes to rest due to |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/viscosity-13767" style="font-weight:bold;" target="_blank" title="Click to know more about VISCOSITY">VISCOSITY</a></p><br/><br/><p>A liquid disturbed by <a href="https://interviewquestions.tuteehub.com/tag/stirring-3077570" style="font-weight:bold;" target="_blank" title="Click to know more about STIRRING">STIRRING</a> <a href="https://interviewquestions.tuteehub.com/tag/comes-2017383" style="font-weight:bold;" target="_blank" title="Click to know more about COMES">COMES</a> to <a href="https://interviewquestions.tuteehub.com/tag/rest-11386" style="font-weight:bold;" target="_blank" title="Click to know more about REST">REST</a> <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to viscosity.</p></body></html> | |
| 62. |
The radiant energy having lowest energy is |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/microwave-1095904" style="font-weight:bold;" target="_blank" title="Click to know more about MICROWAVE">MICROWAVE</a> radiation</p><br/><br/><p>The parts of the <a href="https://interviewquestions.tuteehub.com/tag/electromagnetic-968633" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTROMAGNETIC">ELECTROMAGNETIC</a> spectrum, arranged from highest energy to lowest, are gamma rays, X-rays, ultraviolet light, <a href="https://interviewquestions.tuteehub.com/tag/visible-1447103" style="font-weight:bold;" target="_blank" title="Click to know more about VISIBLE">VISIBLE</a> light, infrared light, microwaves, and radio <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a>.</p></body></html> | |
| 63. |
Radian is used to measure |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/angle-875388" style="font-weight:bold;" target="_blank" title="Click to know more about ANGLE">ANGLE</a></p><br/><br/><p>Radian is <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> to <a href="https://interviewquestions.tuteehub.com/tag/measure-1091857" style="font-weight:bold;" target="_blank" title="Click to know more about MEASURE">MEASURE</a> angle.</p></body></html> | |
| 64. |
Stress can be defined as ________ quantity. |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/tensor-2294207" style="font-weight:bold;" target="_blank" title="Click to know more about TENSOR">TENSOR</a></p><br/><br/><p>Stress is defined as <a href="https://interviewquestions.tuteehub.com/tag/resisting-2248838" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTING">RESISTING</a> force per unit area of an element, on which load is applied. Stress is always perpendicular to a cross-section in the element. It is neither scalar (it cannot be numerically added), nor is it a vector (it does not follow the <a href="https://interviewquestions.tuteehub.com/tag/triangle-1427233" style="font-weight:bold;" target="_blank" title="Click to know more about TRIANGLE">TRIANGLE</a> rule of vector addition). It is a tensor quantity because it <a href="https://interviewquestions.tuteehub.com/tag/describes-948998" style="font-weight:bold;" target="_blank" title="Click to know more about DESCRIBES">DESCRIBES</a> things happening in two directions simultaneously.</p></body></html> | |
| 65. |
Ocean currents are an example of |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/convection-425641" style="font-weight:bold;" target="_blank" title="Click to know more about CONVECTION">CONVECTION</a></p><br/><br/><p>Ocean <a href="https://interviewquestions.tuteehub.com/tag/currents-941646" style="font-weight:bold;" target="_blank" title="Click to know more about CURRENTS">CURRENTS</a> are an <a href="https://interviewquestions.tuteehub.com/tag/example-978283" style="font-weight:bold;" target="_blank" title="Click to know more about EXAMPLE">EXAMPLE</a> of convection.</p></body></html> | |
| 66. |
Solar cells work on the principle of |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/photovoltaic-7326111" style="font-weight:bold;" target="_blank" title="Click to know more about PHOTOVOLTAIC">PHOTOVOLTAIC</a> effect</p><br/><br/><p>Photovoltaic modules, commonly called solar modules, are the key components used to <a href="https://interviewquestions.tuteehub.com/tag/convert-425734" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERT">CONVERT</a> <a href="https://interviewquestions.tuteehub.com/tag/sunlight-1234644" style="font-weight:bold;" target="_blank" title="Click to know more about SUNLIGHT">SUNLIGHT</a> into electricity. Light striking the crystals induces the “photovoltaic effect,” which generates electricity. The electricity produced is called direct current (DC) and can be used immediately or <a href="https://interviewquestions.tuteehub.com/tag/stored-7260220" style="font-weight:bold;" target="_blank" title="Click to know more about STORED">STORED</a> in a battery.</p></body></html> | |
| 67. |
The sky appears blue because of |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/scattering-18435" style="font-weight:bold;" target="_blank" title="Click to know more about SCATTERING">SCATTERING</a> of light</p><br/><br/><p>Gases and <a href="https://interviewquestions.tuteehub.com/tag/particles-1147533" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLES">PARTICLES</a> in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a>. This is why we see a blue <a href="https://interviewquestions.tuteehub.com/tag/sky-1211556" style="font-weight:bold;" target="_blank" title="Click to know more about SKY">SKY</a> most of the <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>.</p></body></html> | |
| 68. |
Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/absolute-11456" style="font-weight:bold;" target="_blank" title="Click to know more about ABSOLUTE">ABSOLUTE</a> humidity</p><br/><br/><p>The relative humidity of air at a given temperature is the <a href="https://interviewquestions.tuteehub.com/tag/ratio-13379" style="font-weight:bold;" target="_blank" title="Click to know more about RATIO">RATIO</a> of mass of water vapour actually present in a certain <a href="https://interviewquestions.tuteehub.com/tag/volume-728707" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUME">VOLUME</a> of air to the mass of water vapour required to saturate the same volume of air at the same temperature, miltiplied by 100. Absolute Humidity refers to the amount of water vapour present in <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> volume of air, expressed in grams per cubic <a href="https://interviewquestions.tuteehub.com/tag/metre-1095305" style="font-weight:bold;" target="_blank" title="Click to know more about METRE">METRE</a>.</p></body></html> | |
| 69. |
Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> - <a href="https://interviewquestions.tuteehub.com/tag/rays-1178020" style="font-weight:bold;" target="_blank" title="Click to know more about RAYS">RAYS</a>, <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/visible-1447103" style="font-weight:bold;" target="_blank" title="Click to know more about VISIBLE">VISIBLE</a>, <a href="https://interviewquestions.tuteehub.com/tag/microwave-1095904" style="font-weight:bold;" target="_blank" title="Click to know more about MICROWAVE">MICROWAVE</a></p><br/><br/><p>X - rays, infrared, visible, microwave</p></body></html> | |
| 70. |
Which electromagnetic radiation is used for satellite communication ? |
| Answer» <html><body><p> Radiowave</p><br/><br/><p>Radio waves are <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 carry <a href="https://interviewquestions.tuteehub.com/tag/satellite-1195060" style="font-weight:bold;" target="_blank" title="Click to know more about SATELLITE">SATELLITE</a> signals. These waves <a href="https://interviewquestions.tuteehub.com/tag/travel-1426745" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVEL">TRAVEL</a> at 300,000 km/s (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 light).</p></body></html> | |
| 71. |
What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? |
| Answer» <html><body><p> 11.2 km/sec</p><br/><br/><p>The minimum velocity <a href="https://interviewquestions.tuteehub.com/tag/required-1185621" style="font-weight:bold;" target="_blank" title="Click to know more about REQUIRED">REQUIRED</a> for a <a href="https://interviewquestions.tuteehub.com/tag/rocket-1190549" style="font-weight:bold;" target="_blank" title="Click to know more about ROCKET">ROCKET</a> to overcome earth's gravity and <a href="https://interviewquestions.tuteehub.com/tag/travel-1426745" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVEL">TRAVEL</a> into space is 11.2 km/sec.</p></body></html> | |
| 72. |
Surface tension in a liquid is due to : |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/cohesive-2525221" style="font-weight:bold;" target="_blank" title="Click to know more about COHESIVE">COHESIVE</a> force between molecules</p><br/><br/><p>Surface tension could be defined as the property of the surface of a liquid that <a href="https://interviewquestions.tuteehub.com/tag/allows-857958" style="font-weight:bold;" target="_blank" title="Click to know more about ALLOWS">ALLOWS</a> it to <a href="https://interviewquestions.tuteehub.com/tag/resist-7271494" style="font-weight:bold;" target="_blank" title="Click to know more about RESIST">RESIST</a> an external force, due to the cohesive nature of the <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> molecules.</p></body></html> | |
| 73. |
When light passes from one medium to another, this phenomenon of change in its direction is called ________ |
| Answer» <html><body><p> <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>When light passes from <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> <a href="https://interviewquestions.tuteehub.com/tag/medium-1092763" style="font-weight:bold;" target="_blank" title="Click to know more about MEDIUM">MEDIUM</a> to another, this <a href="https://interviewquestions.tuteehub.com/tag/phenomenon-599568" style="font-weight:bold;" target="_blank" title="Click to know more about PHENOMENON">PHENOMENON</a> of change in its <a href="https://interviewquestions.tuteehub.com/tag/direction-1696" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTION">DIRECTION</a> is called refraction.</p></body></html> | |
| 74. |
A nuclear reactor is said to have become 'critical' when |
| Answer» <html><body><p> It is ready to produce controlled energy</p><br/><br/><p>To produce controlled energy i.e energy at a controlled or <a href="https://interviewquestions.tuteehub.com/tag/steady-1226685" style="font-weight:bold;" target="_blank" title="Click to know more about STEADY">STEADY</a> rate, 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 fissions per second <a href="https://interviewquestions.tuteehub.com/tag/must-2185568" style="font-weight:bold;" target="_blank" title="Click to know more about MUST">MUST</a> be controlled and maintained at that rate. Excess neutrons should be absorbed by control roads <a href="https://interviewquestions.tuteehub.com/tag/like-1073845" style="font-weight:bold;" target="_blank" title="Click to know more about LIKE">LIKE</a> <a href="https://interviewquestions.tuteehub.com/tag/cadmium-412018" style="font-weight:bold;" target="_blank" title="Click to know more about CADMIUM">CADMIUM</a>.</p></body></html> | |
| 75. |
A Fuse wire is characterised by |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> resistance and <a href="https://interviewquestions.tuteehub.com/tag/low-537644" style="font-weight:bold;" target="_blank" title="Click to know more about LOW">LOW</a> melting point</p><br/><br/><p>Fuse is a <a href="https://interviewquestions.tuteehub.com/tag/piece-1154494" style="font-weight:bold;" target="_blank" title="Click to know more about PIECE">PIECE</a> of wire of a material with a very low melting point. When a high current flows through the <a href="https://interviewquestions.tuteehub.com/tag/circuit-916593" style="font-weight:bold;" target="_blank" title="Click to know more about CIRCUIT">CIRCUIT</a> due to overloading or a <a href="https://interviewquestions.tuteehub.com/tag/short-642706" style="font-weight:bold;" target="_blank" title="Click to know more about SHORT">SHORT</a> circuit, the wires gets heated and melts. As a result,the circuit is broken and current stops flowing.</p></body></html> | |
| 76. |
Large astronomical telescopes always use as objective |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/combinations-922706" style="font-weight:bold;" target="_blank" title="Click to know more about COMBINATIONS">COMBINATIONS</a> of <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><br/><br/><p>Large astronomical telescopes always <a href="https://interviewquestions.tuteehub.com/tag/use-1441041" style="font-weight:bold;" target="_blank" title="Click to know more about USE">USE</a> as objective combination of lenses.</p></body></html> | |
| 77. |
Who enunciated the laws of planetary motion? |
| Answer» <html><body><p> Johannes <a href="https://interviewquestions.tuteehub.com/tag/kepler-531882" style="font-weight:bold;" target="_blank" title="Click to know more about KEPLER">KEPLER</a></p><br/><br/><p>Johannes Kepler published his first two laws about planetary motion in 1609 , having found them by <a href="https://interviewquestions.tuteehub.com/tag/analyzing-874301" style="font-weight:bold;" target="_blank" title="Click to know more about ANALYZING">ANALYZING</a> the astronomical <a href="https://interviewquestions.tuteehub.com/tag/observations-1127580" style="font-weight:bold;" target="_blank" title="Click to know more about OBSERVATIONS">OBSERVATIONS</a> of Tycho Brahe. Kepler's <a href="https://interviewquestions.tuteehub.com/tag/third-1414358" style="font-weight:bold;" target="_blank" title="Click to know more about THIRD">THIRD</a> <a href="https://interviewquestions.tuteehub.com/tag/law-184" style="font-weight:bold;" target="_blank" title="Click to know more about LAW">LAW</a> was published in 1619.</p></body></html> | |
| 78. |
The velocity of the sound is highest in |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/metal-1094457" style="font-weight:bold;" target="_blank" title="Click to know more about METAL">METAL</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a> of the <a href="https://interviewquestions.tuteehub.com/tag/sound-648690" style="font-weight:bold;" target="_blank" title="Click to know more about SOUND">SOUND</a> is <a href="https://interviewquestions.tuteehub.com/tag/highest-1022683" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHEST">HIGHEST</a> in metal.</p></body></html> | |
| 79. |
Buoyancy depends on |
| Answer» <html><body><p> The <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> of the <a href="https://interviewquestions.tuteehub.com/tag/liquid-1075124" style="font-weight:bold;" target="_blank" title="Click to know more about LIQUID">LIQUID</a> <a href="https://interviewquestions.tuteehub.com/tag/displaced-440680" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACED">DISPLACED</a></p><br/><br/><p>Buoyancy <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 the mass of the liquid displaced.</p></body></html> | |
| 80. |
Anemometer is an instrument meant for measuring ________ |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/wind-1457295" style="font-weight:bold;" target="_blank" title="Click to know more about WIND">WIND</a> <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a></p><br/><br/><p>An anemometer is an instrument that measures wind speed and wind pressure. Anemometers are <a href="https://interviewquestions.tuteehub.com/tag/important-1038039" style="font-weight:bold;" target="_blank" title="Click to know more about IMPORTANT">IMPORTANT</a> tools for meteorologists, who <a href="https://interviewquestions.tuteehub.com/tag/study-1230645" style="font-weight:bold;" target="_blank" title="Click to know more about STUDY">STUDY</a> weather patterns.</p></body></html> | |
| 81. |
Friction is caused by the ________ on the two surfaces in contact. |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/irregularities-1051691" style="font-weight:bold;" target="_blank" title="Click to know more about IRREGULARITIES">IRREGULARITIES</a></p><br/><br/><p>Friction is <a href="https://interviewquestions.tuteehub.com/tag/caused-7279664" style="font-weight:bold;" target="_blank" title="Click to know more about CAUSED">CAUSED</a> by the irregularities on 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> <a href="https://interviewquestions.tuteehub.com/tag/surfaces-1235815" style="font-weight:bold;" target="_blank" title="Click to know more about SURFACES">SURFACES</a> in <a href="https://interviewquestions.tuteehub.com/tag/contact-25916" style="font-weight:bold;" target="_blank" title="Click to know more about CONTACT">CONTACT</a>.</p></body></html> | |
| 82. |
A rear-view mirror for driving is |
| Answer» <html><body><p> Convex</p><br/><br/><p>Type of mirror <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> in the rear-view mirror <a href="https://interviewquestions.tuteehub.com/tag/must-2185568" style="font-weight:bold;" target="_blank" title="Click to know more about MUST">MUST</a> be convex <a href="https://interviewquestions.tuteehub.com/tag/mirrors-1098210" style="font-weight:bold;" target="_blank" title="Click to know more about MIRRORS">MIRRORS</a>, because it creates smaller, yet still upright images. Concave mirrors would create an inverted image and the <a href="https://interviewquestions.tuteehub.com/tag/cars-909967" style="font-weight:bold;" target="_blank" title="Click to know more about CARS">CARS</a> you <a href="https://interviewquestions.tuteehub.com/tag/see-630247" style="font-weight:bold;" target="_blank" title="Click to know more about SEE">SEE</a> are not upside down.</p></body></html> | |
| 83. |
Planets are |
| Answer» <html><body><p> non-luminous <a href="https://interviewquestions.tuteehub.com/tag/heavenly-7376210" style="font-weight:bold;" target="_blank" title="Click to know more about HEAVENLY">HEAVENLY</a> <a href="https://interviewquestions.tuteehub.com/tag/bodies-900171" style="font-weight:bold;" target="_blank" title="Click to know more about BODIES">BODIES</a></p><br/><br/><p>Planets are non-luminous heavenly bodies.</p></body></html> | |
| 84. |
Mirage is due to: |
| Answer» <html><body><p> Unequal <a href="https://interviewquestions.tuteehub.com/tag/heating-1017297" style="font-weight:bold;" target="_blank" title="Click to know more about HEATING">HEATING</a> of different parts of the atmosphere</p><br/><br/><p>Mirages happen when the ground is very hot and the air is cool. The hot ground <a href="https://interviewquestions.tuteehub.com/tag/warms-3267385" style="font-weight:bold;" target="_blank" title="Click to know more about WARMS">WARMS</a> a layer of air just above the ground. When the light moves through the <a href="https://interviewquestions.tuteehub.com/tag/cold-921390" style="font-weight:bold;" target="_blank" title="Click to know more about COLD">COLD</a> air and into the layer of hot air it is refracted (bent). A layer of very <a href="https://interviewquestions.tuteehub.com/tag/warm-1448889" style="font-weight:bold;" target="_blank" title="Click to know more about WARM">WARM</a> air near the ground refracts the light from the sky nearly into a U-shaped <a href="https://interviewquestions.tuteehub.com/tag/bend-895092" style="font-weight:bold;" target="_blank" title="Click to know more about BEND">BEND</a>.</p></body></html> | |
| 85. |
If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be |
| Answer» <html><body><p> One Fourth</p><br/><br/><p>If the <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a> is <a href="https://interviewquestions.tuteehub.com/tag/doubled-2592927" style="font-weight:bold;" target="_blank" title="Click to know more about DOUBLED">DOUBLED</a>, the force of <a href="https://interviewquestions.tuteehub.com/tag/gravity-18707" style="font-weight:bold;" target="_blank" title="Click to know more about GRAVITY">GRAVITY</a> is one-fourth as <a href="https://interviewquestions.tuteehub.com/tag/strong-653928" style="font-weight:bold;" target="_blank" title="Click to know more about STRONG">STRONG</a> as before.</p></body></html> | |
| 86. |
Increased wind speed is accompanied by a reduced air ________ |
| Answer» <html><body><p> Pressure</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/increased-1040402" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASED">INCREASED</a> <a href="https://interviewquestions.tuteehub.com/tag/wind-1457295" style="font-weight:bold;" target="_blank" title="Click to know more about WIND">WIND</a> speed is <a href="https://interviewquestions.tuteehub.com/tag/accompanied-7662390" style="font-weight:bold;" target="_blank" title="Click to know more about ACCOMPANIED">ACCOMPANIED</a> by low/reduced <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> pressure.</p></body></html> | |
| 87. |
The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? |
| Answer» <html><body><p> 5 : 3</p><br/><br/><p>In general, the <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 wave is <a href="https://interviewquestions.tuteehub.com/tag/proportional-1170279" style="font-weight:bold;" target="_blank" title="Click to know more about PROPORTIONAL">PROPORTIONAL</a> to the <a href="https://interviewquestions.tuteehub.com/tag/square-650836" style="font-weight:bold;" target="_blank" title="Click to know more about SQUARE">SQUARE</a> of its amplitude. This has an important <a href="https://interviewquestions.tuteehub.com/tag/implication-1037901" style="font-weight:bold;" target="_blank" title="Click to know more about IMPLICATION">IMPLICATION</a>: relative intensity can be obtained by <a href="https://interviewquestions.tuteehub.com/tag/squaring-3058178" style="font-weight:bold;" target="_blank" title="Click to know more about SQUARING">SQUARING</a> relative amplitude.<br/>I α a<sup>2</sup><br/>So if the intensity ratio is 25:9, the amplitude ratio will be 5:3.</p></body></html> | |
| 88. |
Optic fibres are used in : |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/endoscopy-451215" style="font-weight:bold;" target="_blank" title="Click to know more about ENDOSCOPY">ENDOSCOPY</a></p><br/><br/><p>Optic <a href="https://interviewquestions.tuteehub.com/tag/fibres-987207" style="font-weight:bold;" target="_blank" title="Click to know more about FIBRES">FIBRES</a> are <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> in endoscopy.</p></body></html> | |
| 89. |
Mirage is due to |
| Answer» <html><body><p> Unequal <a href="https://interviewquestions.tuteehub.com/tag/heating-1017297" style="font-weight:bold;" target="_blank" title="Click to know more about HEATING">HEATING</a> of <a href="https://interviewquestions.tuteehub.com/tag/different-951434" style="font-weight:bold;" target="_blank" title="Click to know more about DIFFERENT">DIFFERENT</a> <a href="https://interviewquestions.tuteehub.com/tag/parts-1148278" style="font-weight:bold;" target="_blank" title="Click to know more about PARTS">PARTS</a> of the atmosphere</p><br/><br/><p>Mirage is <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to unequal heating of different parts of the atmosphere.</p></body></html> | |
| 90. |
Rainbow is due to |
| Answer» <html><body><p> refraction and reflection of <a href="https://interviewquestions.tuteehub.com/tag/sunlight-1234644" style="font-weight:bold;" target="_blank" title="Click to know more about SUNLIGHT">SUNLIGHT</a> by <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</p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/rainbow-1176696" style="font-weight:bold;" target="_blank" title="Click to know more about RAINBOW">RAINBOW</a> is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets <a href="https://interviewquestions.tuteehub.com/tag/resulting-1187445" style="font-weight:bold;" target="_blank" title="Click to know more about RESULTING">RESULTING</a> in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight <a href="https://interviewquestions.tuteehub.com/tag/always-373607" style="font-weight:bold;" target="_blank" title="Click to know more about ALWAYS">ALWAYS</a> appear in the section of sky directly opposite the sun.</p></body></html> | |
| 91. |
The basic reason for the extraordinary sparkle of suitably cut diamond is that |
| Answer» <html><body><p> It has a very high refractive <a href="https://interviewquestions.tuteehub.com/tag/index-505893" style="font-weight:bold;" target="_blank" title="Click to know more about INDEX">INDEX</a></p><br/><br/><p>The basic <a href="https://interviewquestions.tuteehub.com/tag/reason-620214" style="font-weight:bold;" target="_blank" title="Click to know more about REASON">REASON</a> for the extraordinary <a href="https://interviewquestions.tuteehub.com/tag/sparkle-1220020" style="font-weight:bold;" target="_blank" title="Click to know more about SPARKLE">SPARKLE</a> of suitably <a href="https://interviewquestions.tuteehub.com/tag/cut-942198" style="font-weight:bold;" target="_blank" title="Click to know more about CUT">CUT</a> diamond is that it has a very high refractive index.</p></body></html> | |
| 92. |
The unit of measurement of noise is |
| Answer» <html><body><p> Decibel</p><br/><br/><p>We measure sound intensity (also referred to as sound <a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a> or sound pressure) in units <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> decibels. Decibels (<a href="https://interviewquestions.tuteehub.com/tag/db-430813" style="font-weight:bold;" target="_blank" title="Click to know more about DB">DB</a>) are named in <a href="https://interviewquestions.tuteehub.com/tag/honor-1028945" style="font-weight:bold;" target="_blank" title="Click to know more about HONOR">HONOR</a> of Alexander <a href="https://interviewquestions.tuteehub.com/tag/graham-475922" style="font-weight:bold;" target="_blank" title="Click to know more about GRAHAM">GRAHAM</a> Bell, the inventor of both the telephone and the audiometer.</p></body></html> | |
| 93. |
Electrostatic precipitator is used to control the pollution of |
| Answer» <html><body><p> Air</p><br/><br/><p>Originally designed for recovery of <a href="https://interviewquestions.tuteehub.com/tag/valuable-723168" style="font-weight:bold;" target="_blank" title="Click to know more about VALUABLE">VALUABLE</a> <a href="https://interviewquestions.tuteehub.com/tag/industrial-515446" style="font-weight:bold;" target="_blank" title="Click to know more about INDUSTRIAL">INDUSTRIAL</a>-process <a href="https://interviewquestions.tuteehub.com/tag/materials-1089380" style="font-weight:bold;" target="_blank" title="Click to know more about MATERIALS">MATERIALS</a>, electrostatic <a href="https://interviewquestions.tuteehub.com/tag/precipitators-2948259" style="font-weight:bold;" target="_blank" title="Click to know more about PRECIPITATORS">PRECIPITATORS</a> are used for air pollution control, particularly for removing particles from waste gases at industrial <a href="https://interviewquestions.tuteehub.com/tag/facilities-982711" style="font-weight:bold;" target="_blank" title="Click to know more about FACILITIES">FACILITIES</a> and power-generating stations.</p></body></html> | |
| 94. |
If a barometric reading is falling, this usually indicates what |
| Answer» <html><body><p> Decreasing pressure</p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/barometer-394088" style="font-weight:bold;" target="_blank" title="Click to know more about BAROMETER">BAROMETER</a> measures air pressure: A "rising" barometer indicates <a href="https://interviewquestions.tuteehub.com/tag/increasing-1040633" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASING">INCREASING</a> air pressure; a "<a href="https://interviewquestions.tuteehub.com/tag/falling-983241" style="font-weight:bold;" target="_blank" title="Click to know more about FALLING">FALLING</a>" barometer indicates decreasing air pressure.</p></body></html> | |
| 95. |
Work done in a free expansion process is |
| Answer» <html><body><p> 0</p><br/><br/><p>In free expansion there is no work done as there is no external external pressure. That's certainly true, in fact free expansion is an irreversible process in which a gas <a href="https://interviewquestions.tuteehub.com/tag/expands-2076032" style="font-weight:bold;" target="_blank" title="Click to know more about EXPANDS">EXPANDS</a> into an <a href="https://interviewquestions.tuteehub.com/tag/insulated-2741678" style="font-weight:bold;" target="_blank" title="Click to know more about INSULATED">INSULATED</a> evacuated chamber, you can <a href="https://interviewquestions.tuteehub.com/tag/think-661001" style="font-weight:bold;" target="_blank" title="Click to know more about THINK">THINK</a> of it like ann <a href="https://interviewquestions.tuteehub.com/tag/container-20566" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAINER">CONTAINER</a> with a <a href="https://interviewquestions.tuteehub.com/tag/piston-600809" style="font-weight:bold;" target="_blank" title="Click to know more about PISTON">PISTON</a> and the gas is left to expand in vacuum.</p></body></html> | |
| 96. |
The term ''Higgs Boson' is associated with |
| Answer» <html><body><p> God <a href="https://interviewquestions.tuteehub.com/tag/particle-1147478" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLE">PARTICLE</a></p><br/><br/><p>The term ''<a href="https://interviewquestions.tuteehub.com/tag/higgs-2702182" style="font-weight:bold;" target="_blank" title="Click to know more about HIGGS">HIGGS</a> Boson' is <a href="https://interviewquestions.tuteehub.com/tag/associated-886051" style="font-weight:bold;" target="_blank" title="Click to know more about ASSOCIATED">ASSOCIATED</a> with God particle.</p></body></html> | |
| 97. |
The working of the quartz crystal in the watch is based on the |
| Answer» <html><body><p> Piezo - electric <a href="https://interviewquestions.tuteehub.com/tag/effect-966056" style="font-weight:bold;" target="_blank" title="Click to know more about EFFECT">EFFECT</a></p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/quartz-1174358" style="font-weight:bold;" target="_blank" title="Click to know more about QUARTZ">QUARTZ</a> crystal oscillates (<a href="https://interviewquestions.tuteehub.com/tag/vibrates-1446059" style="font-weight:bold;" target="_blank" title="Click to know more about VIBRATES">VIBRATES</a> back and forth) at a precise frequency: <a href="https://interviewquestions.tuteehub.com/tag/exactly-977868" style="font-weight:bold;" target="_blank" title="Click to know more about EXACTLY">EXACTLY</a> 32768 times each second. This is due to Piezoelectric Effect. Piezoelectric Effect is the ability of 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> to generate an electric charge in response to applied mechanical stress.</p></body></html> | |
| 98. |
A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: |
| Answer» <html><body><p> Just before it <a href="https://interviewquestions.tuteehub.com/tag/touches-1423978" style="font-weight:bold;" target="_blank" title="Click to know more about TOUCHES">TOUCHES</a> the <a href="https://interviewquestions.tuteehub.com/tag/ground-1013213" style="font-weight:bold;" target="_blank" title="Click to know more about GROUND">GROUND</a></p><br/><br/><p>When an object reaches the ground it has its maximum value of kinetic energy just before touching the ground. Since kinetic energy + <a href="https://interviewquestions.tuteehub.com/tag/potential-1161228" style="font-weight:bold;" target="_blank" title="Click to know more about POTENTIAL">POTENTIAL</a> energy= <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a>; so on <a href="https://interviewquestions.tuteehub.com/tag/reaching-7268689" style="font-weight:bold;" target="_blank" title="Click to know more about REACHING">REACHING</a> ground the potential energy of an object becomes zero (0). The kinetic energy on reaching ground becomes maximum.</p></body></html> | |
| 99. |
A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle |
| Answer» <html><body><p> At a higher elevation than the bird</p><br/><br/><p>A <a href="https://interviewquestions.tuteehub.com/tag/hunter-1033699" style="font-weight:bold;" target="_blank" title="Click to know more about HUNTER">HUNTER</a> on the ground <a href="https://interviewquestions.tuteehub.com/tag/wishes-1457928" style="font-weight:bold;" target="_blank" title="Click to know more about WISHES">WISHES</a> to <a href="https://interviewquestions.tuteehub.com/tag/shoot-1205577" style="font-weight:bold;" target="_blank" title="Click to know more about SHOOT">SHOOT</a> a bird on a tree at a distance with his rifle. He has to <a href="https://interviewquestions.tuteehub.com/tag/point-1157106" style="font-weight:bold;" target="_blank" title="Click to know more about POINT">POINT</a> the rifle at a higher elevation than the bird.</p></body></html> | |
| 100. |
What is the range of masses involved in the study of Physics? |
| Answer» <html><body><p> 10<sup>-30</sup> kg to 10<sup>55</sup> kg</p><br/><br/><p>The range of <a href="https://interviewquestions.tuteehub.com/tag/masses-1088822" style="font-weight:bold;" target="_blank" title="Click to know more about MASSES">MASSES</a> goes from 10<sup>-30</sup> kg (mass of an <a href="https://interviewquestions.tuteehub.com/tag/electron-968715" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRON">ELECTRON</a>)to 10<sup>55</sup> kg (mass of <a href="https://interviewquestions.tuteehub.com/tag/known-534098" style="font-weight:bold;" target="_blank" title="Click to know more about KNOWN">KNOWN</a> observable universe).</p></body></html> | |