Physics Practice Question and Answer
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Q: Maxwell is unit of
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60939b736481f36316ea5bf6- 1Intensity of magnetizationfalse
- 2Permeabilityfalse
- 3Magnetic fluxtrue
- 4Magnetic susceptibilityfalse
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Answer : 3. "Magnetic flux"
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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Answer : 2. "Transformer"
Q: Fathometer is used to measure
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5ee35a6df72c0e153c825d5c- 1Earthquakefalse
- 2Rainfalse
- 3Depth of seatrue
- 4Sound intensityfalse
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Answer : 3. "Depth of sea "
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"
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