Physics Practice Question and Answer
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Q: Kilowatt hour (KWH) unit is-
1944 05f8febf07793eb35d727143c
5f8febf07793eb35d727143c- 1Energytrue
- 2Powerfalse
- 3Electric chargefalse
- 4Electrical currentfalse
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Answer : 1. "Energy "
Q: What type of reflection is made on the cinema screen?
1943 05fe469ef9002d17b1c433c2b
5fe469ef9002d17b1c433c2b- 1virtual imagefalse
- 2real reflectiontrue
- 3bothfalse
- 4All the statements are truefalse
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Answer : 2. "real reflection"
Q: An iron needle floats on the surface of water. What is the reason for this phenomenon?
1941 0613744053ee2bf25f5130f7f
613744053ee2bf25f5130f7f- 1viscosityfalse
- 2acceleration due to gravityfalse
- 3surface tensiontrue
- 4none of thesefalse
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Answer : 3. "surface tension"
Q: Which of the following is false?
Sound waves are _________ waves.
1940 05ee85c07109b5d6e015e31ed
5ee85c07109b5d6e015e31edSound waves are _________ waves.
- 1Pressurefalse
- 2Longitudinaltrue
- 3Electromagneticfalse
- 4Mechanicalfalse
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Answer : 2. "Longitudinal"
Q: Image formed on retina in human eye?
1906 05eec7a129857693341407ce2
5eec7a129857693341407ce2- 1is inverted only appears upside downfalse
- 2is upright but gives inverted image.true
- 3Inverted but directly visiblefalse
- 4is straightfalse
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Answer : 2. "is upright but gives inverted image."
Q: What is the unit of electric quantity?
1889 160b4bde8517f2874d53f7714
60b4bde8517f2874d53f7714- 1Omfalse
- 2voltsfalse
- 3amperetrue
- 4Wattfalse
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Answer : 3. "ampere"
Q: The density of milk can be obtained by the use of –
1886 05f35fb32efa02861bb1b660c
5f35fb32efa02861bb1b660c- 1Lactometertrue
- 2Thermometerfalse
- 3Hydrometerfalse
- 4Butyrometerfalse
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Answer : 1. "Lactometer "
Q: The substance which conducts current in the solid state is –
1861 05f2cdd33be9f31290fb7ca73
5f2cdd33be9f31290fb7ca73- 1iodinefalse
- 2sodium chloridefalse
- 3diamondfalse
- 4graphitetrue
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Answer : 4. "graphite "
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