Physics Questions Practice Question and Answer
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Q: When a heated electric bulb glows -
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6089295dfd171c780883f3f9- 1Electrical energy is completely converted into light.false
- 2Electrical energy is partly converted into light energy and partly into heat energytrue
- 3Light energy is converted into electrical energy.false
- 4Electric energy is converted into magnetic energy .false
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Answer : 2. "Electrical energy is partly converted into light energy and partly into heat energy "
Q: Can eyes with vision be seen clearly?
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5fe423abeee69a704db5d457- 1Nearby objectsfalse
- 2Big itemsfalse
- 3distant objectstrue
- 4None of thesefalse
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Answer : 3. "distant objects"
Q: The device that converts alternating current to direct current is called
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5f72ea2e2d9d25248e04b7bb- 1inverterfalse
- 2rectifiertrue
- 3transformerfalse
- 4transmitterfalse
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Answer : 2. "rectifier"
Q: In the human eye?
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5fe4599257a5647868b5e752- 1In the human eye?false
- 2convex mirrorfalse
- 3convex lenstrue
- 4concave mirrorfalse
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Answer : 3. "convex lens"
Q: Which of the person with long vision defect has glasses?
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5fe41d33438750744e325bce- 1concave lensfalse
- 2Bifocal lensfalse
- 3convex lenstrue
- 4cylindrical lensfalse
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Answer : 3. "convex lens"
Q: The air bubble in the water, which will behave like it is
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5f72e7d12d9d25248e04a0c2- 1Convex mirrorfalse
- 2Convex lensfalse
- 3Concave mirrorfalse
- 4Concave lenstrue
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Answer : 4. "Concave lens"
Q: When ray of light goes from denser to rarer medium then it –
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6062c4df9cf7d827dcdcfcd2- 1Bends towards the normalfalse
- 2Bends away from the normaltrue
- 3Goes Straightfalse
- 4Reflected backfalse
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Answer : 2. "Bends away from the normal "
Q: Which one of the following common devices works on the basis of the principle of mutual induction?
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609399ea402c5862950ea190- 1Tubelightfalse
- 2Transformertrue
- 3Photodiodefalse
- 4LEDfalse
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