Physics Questions Practice Question and Answer
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Q: Refraction of light is responsible for:
1594 06189e5479236c01fbea82faa
6189e5479236c01fbea82faa- 1Shadow formationfalse
- 2Twinkling of starstrue
- 3Blue color of the skyfalse
- 4Rainbowfalse
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Answer : 2. "Twinkling of stars"
Q: When a heated electric bulb glows -
1594 06089295dfd171c780883f3f9
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: What force is used to remove cream from milk?
1593 06137381c576b113a3f9c8791
6137381c576b113a3f9c8791- 1frictional forcefalse
- 2Centripetal forcefalse
- 3centrifugal forcetrue
- 4none of thesefalse
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Answer : 3. "centrifugal force"
Q: Controls the amount of light entering the eye?
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5f6da4b2ff25c92a085bb8f2- 1Iristrue
- 2pupilfalse
- 3lensfalse
- 4side musclesfalse
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Answer : 1. "Iris"
Q: Is the image formed by a plane mirror always?
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5f6da46aec13dd748004ce67- 1virtual and vice versafalse
- 2Real and directfalse
- 3direct and virtualtrue
- 4Actualfalse
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Answer : 3. "direct and virtual"
Q: The instrument that measures and records the relative humidity of air is:
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6163f15a8c5cc30e6058a74c- 1Hygrometertrue
- 2Hydrometerfalse
- 3Lactometerfalse
- 4Barometerfalse
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Answer : 1. "Hygrometer"
Q: What is the color that is used in danger signals?
1582 05fe46a3d57a5647868b6522c
5fe46a3d57a5647868b6522c- 1Yellow colorfalse
- 2Purple colorfalse
- 3Blue colorfalse
- 4Red colortrue
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Answer : 4. "Red color"
Q: What is the unit of magnetic field?
1570 05fe45b5600c5087b4d132a05
5fe45b5600c5087b4d132a05- 1Newtonfalse
- 2Teslatrue
- 3Amperefalse
- 4meterfalse
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Answer : 2. "Tesla"
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