Physics Questions Practice Question and Answer
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Q: Alum is used as:
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5f4cd6195e74bc4ee54f565f- 1a disinfectantfalse
- 2a purifier for watertrue
- 3an analgesicfalse
- 4a fertilizerfalse
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Answer : 2. "a purifier for water "
Q: The velocity of sound in the air (vacuum) is:
1726 06165591ad881f961723211b5
6165591ad881f961723211b5- 1110 m / secfalse
- 2232 m / secfalse
- 3331 m / sectrue
- 4220 m / secfalse
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Answer : 3. "331 m / sec "
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: The method of transmission of heat is-
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5f8fcfb67793eb35d72651bc- 1Conductionfalse
- 2Convectionfalse
- 3Radiationfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: What is measured by cusec?
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613730935ee3b079c605775f- 1flow of watertrue
- 2depth of waterfalse
- 3Quantity of waterfalse
- 4Purity of waterfalse
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Answer : 1. "flow of water"
Q: The best conductor of heat is?
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6137464a2421ea1e0c7df9fb- 1Silvertrue
- 2goldfalse
- 3copperfalse
- 4Aluminumfalse
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Answer : 1. "Silver"
Q: What is the farthest point of the normal human eye?
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5fe469a21722ec797460fbde- 1is at 25 cmfalse
- 2is at infinitytrue
- 3is at 25 mmfalse
- 4is at 25 mfalse
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Answer : 2. "is at infinity"
Q: The splitting of white light into its component colours is called ______.
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642c1a37dcb650c1457945eb- 1refractionfalse
- 2reflectionfalse
- 3scatteringfalse
- 4Dispersiontrue
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Answer : 4. "Dispersion"
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