Physics Practice Question and Answer
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Q: The substance which conducts current in the solid state is –
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5f2cdd33be9f31290fb7ca73- 1iodinefalse
- 2sodium chloridefalse
- 3diamondfalse
- 4graphitetrue
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Answer : 4. "graphite "
Q: A typical example of a semiconductor is _______?
1495 05fe1bcbb4c864b4aa0de4b47
5fe1bcbb4c864b4aa0de4b47- 1Platinumfalse
- 2Germaniumtrue
- 3Quartzfalse
- 4Micafalse
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Answer : 2. "Germanium"
Q: The velocity of sound in air is approx.
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5f0ff47c4e2c7631e439119f- 1340 m / sfalse
- 2330 m / strue
- 3110 m / sfalse
- 4232 m / sfalse
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Answer : 2. "330 m / s"
Q: Stands in front of the driver of the motor vehicle?
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5f6da9c95256e8407c2ebe13- 1concave mirrorfalse
- 2plane mirrorfalse
- 3convex mirrortrue
- 4Othersfalse
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Answer : 3. "convex mirror"
Q: Light year is the unit of measurement of
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62565df1ac719c4dd28ac685- 1the age of the universefalse
- 2very short time - lapsefalse
- 3very high temperaturefalse
- 4very long distancetrue
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Answer : 4. "very long distance "
Q: Kilowatt hour (KWH) unit is-
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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?
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5fe469ef9002d17b1c433c2b- 1virtual imagefalse
- 2real reflectiontrue
- 3bothfalse
- 4All the statements are truefalse
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Answer : 2. "real reflection"
Q: Who invented electromagnetic theory?
1421 05f06f28a3f7f070477964316
5f06f28a3f7f070477964316- 1Thomas Alva additionfalse
- 2J. J. Thomsonfalse
- 3Michael Faradaytrue
- 4None of thesefalse
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