Physics Practice Question and Answer
8 4 Q:
60b4b725517f2874d53f5d0d 4 Q:
61655de87d6182610f5d76ff 4 Q:
5fe41d33438750744e325bce 4 Q:
6089295dfd171c780883f3f9 4 Q:
5f6da4b2ff25c92a085bb8f2 4 Q:
63a2c8e521b1fe5f1a352faa Answer : 2. "Phon"
4 Q:
5f869de3e5230d620733716e 4 Q:
5f72ea2e2d9d25248e04b7bb
Q: Solar cells convert solar energy into what energy?
1189 160b4b725517f2874d53f5d0d
60b4b725517f2874d53f5d0d- 1Electrical energytrue
- 2kinetic energyfalse
- 3mechanical energyfalse
- 4Thermal energyfalse
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Answer : 1. "Electrical energy"
Q: Weighing 1 kilogram is the weight.
1186 061655de87d6182610f5d76ff
61655de87d6182610f5d76ff- 11 Nfalse
- 210 Nfalse
- 39.8 Ntrue
- 49 Nfalse
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Answer : 3. "9.8 N "
Q: Which of the person with long vision defect has glasses?
1185 05fe41d33438750744e325bce
5fe41d33438750744e325bce- 1concave lensfalse
- 2Bifocal lensfalse
- 3convex lenstrue
- 4cylindrical lensfalse
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Answer : 3. "convex lens"
Q: When a heated electric bulb glows -
1182 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: Controls the amount of light entering the eye?
1178 05f6da4b2ff25c92a085bb8f2
5f6da4b2ff25c92a085bb8f2- 1Iristrue
- 2pupilfalse
- 3lensfalse
- 4side musclesfalse
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Answer : 1. "Iris"
Q: Which of the following is not a unit of heat?
1175 063a2c8e521b1fe5f1a352faa
63a2c8e521b1fe5f1a352faa- 1Caloriefalse
- 2Phontrue
- 3Joulefalse
- 4Kcalfalse
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Answer : 2. "Phon"
Explanation :
The correct answer is Phon. Phon is not a unit of Heat.
Q: An object starts moving in its steady state. It attains a speed of 5 m / s in 2 seconds. What will be its acceleration?
1171 05f869de3e5230d620733716e
5f869de3e5230d620733716e- 12.5 m/sec2true
- 22 m/sec2false
- 31 m/sec2false
- 40.4 m/sec2false
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Answer : 1. "2.5 m/sec2"
Q: The device that converts alternating current to direct current is called
1167 05f72ea2e2d9d25248e04b7bb
5f72ea2e2d9d25248e04b7bb- 1inverterfalse
- 2rectifiertrue
- 3transformerfalse
- 4transmitterfalse
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Answer : 2. "rectifier"
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