Physics Practice Question and Answer
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Q: What force is used to remove cream from milk?
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6137381c576b113a3f9c8791- 1frictional forcefalse
- 2Centripetal forcefalse
- 3centrifugal forcetrue
- 4none of thesefalse
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Answer : 3. "centrifugal force"
Q: Which is the unit of pressure?
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60b4b94c7cb636175d3d1369- 1Dinefalse
- 2Joulefalse
- 3Wattfalse
- 4Pascaltrue
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Answer : 4. "Pascal"
Q: is the unit of resistivity?
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5fe41ba09f9e9d787c92b3ac- 1Aom-metertrue
- 2Aom / meterfalse
- 3meterfalse
- 4None of thesefalse
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Answer : 1. "Aom-meter"
Q: Which of the following is false with reference to a photo-voltaic cell?
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6113d437f65c04691bf37c32- 1It can store light energy in the form of electrical energyfalse
- 2It converts electric energy into light energytrue
- 3It is another name as solar cellfalse
- 4It can be used as infra-red detectorsfalse
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Answer : 2. "It converts electric energy into light energy"
Q: Which of the following is a unit of heat?
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5eec7b1913d72d584fb8367e- 1Celsiusfalse
- 2Calvinfalse
- 3Fahrenheitfalse
- 4All thesetrue
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Answer : 4. "All these"
Q: When was the international system of units implemented?
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60b4ba0f517f2874d53f6fd4- 11965false
- 21971true
- 31991false
- 41985false
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Answer : 2. "1971"
Q: The velocity of wind is measured by –
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5ef1aedd7fed557ba2abd595- 1Hydrometerfalse
- 2Wind vanefalse
- 3Barometerfalse
- 4Anemometertrue
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Answer : 4. "Anemometer "
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"
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