Physics Practice Question and Answer
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Q: The best conductor of heat is?
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6137464a2421ea1e0c7df9fb- 1Silvertrue
- 2goldfalse
- 3copperfalse
- 4Aluminumfalse
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Answer : 1. "Silver"
Q: Convex lens is used?
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5eec76a3eee45c3b837f7bc5- 1To correct the vision defect in human eyefalse
- 2Visionaryfalse
- 3under microscopefalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: What is the meaning of the Olympic symbol?
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612371bb6de6c114f788c805- 1Continuitytrue
- 2Integrityfalse
- 3urge to playfalse
- 4Challengefalse
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Answer : 1. "Continuity"
Q: The velocity of sound in the air (vacuum) is:
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6165591ad881f961723211b5- 1110 m / secfalse
- 2232 m / secfalse
- 3331 m / sectrue
- 4220 m / secfalse
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Answer : 3. "331 m / sec "
Q: Choose the correct statement
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63c910807efeed32fc20e26c- 1A body can be accelerated by frictional forcefalse
- 2There can be zero frictionfalse
- 3Kinetic friction is greater than rolling frictiontrue
- 4Frictional force and area of contact between the two surfaces are proportionalfalse
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Answer : 3. "Kinetic friction is greater than rolling friction "
Q: Who discovered the principle of 'Law of Floating’?
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616e861dd7d2797c4a88a397- 1Galileofalse
- 2Archimedestrue
- 3Newtonfalse
- 4Writer Brothersfalse
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Answer : 2. " Archimedes "
Q: The sky appears blue die to
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5f06e5113f7f07047796139a- 1Refraction of lightfalse
- 2Scattering of lighttrue
- 3Diffraction of lightfalse
- 4Reflections of lightfalse
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Answer : 2. "Scattering of light"
Q: Which is the unit of pressure?
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60b4b94c7cb636175d3d1369- 1Dinefalse
- 2Joulefalse
- 3Wattfalse
- 4Pascaltrue
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Answer : 4. "Pascal"
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