Physics Practice Question and Answer
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Q: Light year is the unit of measurement of
2047 062565df1ac719c4dd28ac685
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: Stands in front of the driver of the motor vehicle?
2044 05f6da9c95256e8407c2ebe13
5f6da9c95256e8407c2ebe13- 1concave mirrorfalse
- 2plane mirrorfalse
- 3convex mirrortrue
- 4Othersfalse
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Answer : 3. "convex mirror"
Q: Who discovered electromagnetic induction?
1999 05fe4694b1722ec797460fb17
5fe4694b1722ec797460fb17- 1Maxwellfalse
- 2Flemingfalse
- 3Faradaytrue
- 4Amperefalse
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Answer : 3. "Faraday"
Q: The velocity of sound in air is approx.
1998 15f0ff47c4e2c7631e439119f
5f0ff47c4e2c7631e439119f- 1340 m / sfalse
- 2330 m / strue
- 3110 m / sfalse
- 4232 m / sfalse
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Answer : 2. "330 m / s"
Q: Who invented electromagnetic theory?
1971 05f06f28a3f7f070477964316
5f06f28a3f7f070477964316- 1Thomas Alva additionfalse
- 2J. J. Thomsonfalse
- 3Michael Faradaytrue
- 4None of thesefalse
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Answer : 3. "Michael Faraday "
Q: A typical example of a semiconductor is _______?
1953 05fe1bcbb4c864b4aa0de4b47
5fe1bcbb4c864b4aa0de4b47- 1Platinumfalse
- 2Germaniumtrue
- 3Quartzfalse
- 4Micafalse
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Answer : 2. "Germanium"
Q: An object is placed in front of a concave mirror at a point between its focus point and the centre of curvature. The image to be created will be:
1950 05f86b3bdb7ad805e26c1f65d
5f86b3bdb7ad805e26c1f65d- 1virtual and straightfalse
- 2Virtual and oppositefalse
- 3Real and oppositetrue
- 4Real and straightfalse
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Answer : 3. "Real and opposite"
Q: Household appliances based on thermal effect of electric current is-
1948 05f8fecaa9e18f97b703a48b3
5f8fecaa9e18f97b703a48b3- 1Electric heaterfalse
- 2Electric bulbfalse
- 3Tubelightfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
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