Physics Practice Question and Answer
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Q: The density of milk can be obtained by the use of –
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5f35fb32efa02861bb1b660c- 1Lactometertrue
- 2Thermometerfalse
- 3Hydrometerfalse
- 4Butyrometerfalse
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Answer : 1. "Lactometer "
Q: The ability to work is called?
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5eec7d0c9857693341408e10- 1energytrue
- 2accelerationfalse
- 3Displacementfalse
- 4forcefalse
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Answer : 1. "energy"
Q: On increasing the pressure on ice, what will be its melting point?
1552 0613745b85ee3b079c605e1e7
613745b85ee3b079c605e1e7- 1decreasetrue
- 2increasefalse
- 3become zerofalse
- 4remain unchangedfalse
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Answer : 1. "decrease"
Q: What is the unit of electric quantity?
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60b4bde8517f2874d53f7714- 1Omfalse
- 2voltsfalse
- 3amperetrue
- 4Wattfalse
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Answer : 3. "ampere"
Q: The length of a wire is L m. The length of the wire is pulled to 2L meters, now the resistance of the wire will be.
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5f8feb8e7793eb35d72711b1- 1double the earlierfalse
- 2First four timestrue
- 3One fourth of firstfalse
- 4will remain unchangedfalse
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Answer : 2. "First four times "
Q: The energy of the Sun is produced by?
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613738ae5ee3b079c605a054- 1by oxidationfalse
- 2by nuclear fissionfalse
- 3by ionizationfalse
- 4by nuclear fusiontrue
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Answer : 4. "by nuclear fusion"
Q: What is the S.I unit of lens capacity?
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5f6da6bdec13dd748004e2b2- 1meterfalse
- 2(meter) 2false
- 3dioptertrue
- 4Othersfalse
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Answer : 3. "diopter"
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"
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