Physics Practice Question and Answer
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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: Shakti or Strength is the zodiac?
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5eec7cb713d72d584fb83962- 1Scalartrue
- 2Pradeeshfalse
- 3Vectorfalse
- 4None of thesefalse
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Answer : 1. "Scalar"
Q: The SI unit of mechanical power is:
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61655cb83ee3b5612c8e137d- 1Newton - secondfalse
- 2Joule - secondfalse
- 3Joulefalse
- 4Watttrue
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Answer : 4. "Watt "
Q: Transformers are used
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5f72ea92a921aa16e6825ed6- 1To convert AC into DCfalse
- 2To convert DC to ACfalse
- 3To detect DC voltagefalse
- 4To oxidation or reduce AC voltagetrue
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Answer : 4. "To oxidation or reduce AC voltage"
Q: What happens to the speed of a cycle when it travels on a rough surface?
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5ee88a3679b5ea388bed4575- 1Increasesfalse
- 2Decreasestrue
- 3Remains the samefalse
- 4None of thesefalse
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Answer : 2. "Decreases"
Q: Rocket works on the principle of
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613728015ee3b079c605466d- 1energy conservationfalse
- 2Bernoulli theoremfalse
- 3momentum conservationtrue
- 4none of thesefalse
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Answer : 3. "momentum conservation"
Q: What is the most effective conductor of electricity?
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5f86a8e8dcf12a01a1419787- 1Goldfalse
- 2Ironfalse
- 3Silvertrue
- 4Copperfalse
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Answer : 3. "Silver "
Q: Necessary to get nuclear energy?
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60b4a8479587b71934e7a296- 1Chromiumfalse
- 2Siliconfalse
- 3Uraniumtrue
- 4Aluminumfalse
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Answer : 3. "Uranium"
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