Physics Practice Question and Answer
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Q: Satellite is kept moving in its orbit around the Earth, it is due to –
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5ee0d8c01541492ae598171a- 1Gravitational Force or lack of itfalse
- 2Some other Forcesfalse
- 3Centrifugal Forcefalse
- 4Centripetal Forcetrue
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Answer : 4. "Centripetal Force "
Q: What will remain unchanged if the quantity of the commodity changes?
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613739463ee2bf25f512e1d4- 1Volumefalse
- 2Densitytrue
- 3massfalse
- 4loadfalse
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Answer : 2. "Density"
Q: Transformer is used for -
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5f15591e4cff381d162671e4- 1To step up DC voltagefalse
- 2To step up or step-down AC voltagestrue
- 3Converting AC into Dcfalse
- 4Converting DC into ACfalse
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Answer : 2. "To step up or step-down AC voltages"
Q: Fathometer is used to measure
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5ee35a6df72c0e153c825d5c- 1Earthquakefalse
- 2Rainfalse
- 3Depth of seatrue
- 4Sound intensityfalse
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Answer : 3. "Depth of sea "
Q: Surface tension when soap is dissolved in water-
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5f4ca01d82369c1d610d4f8e- 1Decreasetrue
- 2Increasefalse
- 3Remains unchangedfalse
- 4Becomes infinitefalse
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Answer : 1. "Decrease"
Q: One horse power is equal to how many watts?
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613744cc5ee3b079c605dda6- 1450 wattsfalse
- 2600 wattsfalse
- 3734 wattsfalse
- 4746 wattstrue
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Answer : 4. "746 watts"
Q: The product of mass and velocity of an object is called-
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5f86a7c688adb713cedfa566- 1momentumtrue
- 2accelerationfalse
- 3volumefalse
- 4densityfalse
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Answer : 1. "momentum"
Q: In the following is not an example of refraction of light.
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5ee86b3581b3dd0cad84b919- 1Twinkling effect of starsfalse
- 2Miragesfalse
- 3Bending of light while passing through a mediumfalse
- 4lateral inversiontrue
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Answer : 4. "lateral inversion"
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