Physics Questions Practice Question and Answer
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Q: In case of negative work the angle between the force and displacement is-
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60892b3c0ac1df7d9f80ef4b- 10°false
- 245°false
- 390°false
- 4180°true
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Answer : 4. "180°"
Q: The sum of the change in kinetic and potential energy is always-
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608929c2fd171c780883f502- 1Zerotrue
- 2Positivefalse
- 3Negativefalse
- 4None of the abovefalse
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Answer : 1. "Zero "
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: Which of the following laws is associated with the heating effect of electric current?
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6082792060a06a7ffdaa9927- 1Joule's lawtrue
- 2Ohm's lawfalse
- 3Faraday's lawfalse
- 4Newton's lawfalse
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Answer : 1. "Joule's law "
Q: An object of mass 13 kg is moving with a uniform velocity of 5 ms-1. What is the kinetic energy possessed by the object?
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60826bbf60a06a7ffdaa7336- 1187.5 Jfalse
- 217.5 Jfalse
- 3162.5 Jtrue
- 4162.5 msfalse
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Answer : 3. "162.5 J"
Q: Pressure is measured in terms of
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6066cbdb2b4b7e646bfc893a- 1Mass and Densityfalse
- 2Work donefalse
- 3Force and Areatrue
- 4Force and Distancefalse
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Answer : 3. "Force and Area"
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: Pressure inside a soap bubble is-
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6062c4148278fd4419261ced- 1More than atmospheric pressuretrue
- 2Less than atmospheric pressurefalse
- 3Equal to atmospheric pressurefalse
- 4Half of atmospheric pressure/false
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Answer : 1. "More than atmospheric pressure"
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