Physics Questions Practice Question and Answer
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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: Planetary scientists call the thin gaseous envelope around the Moon as the _______.
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62bece2d1d322d793f53ca68- 1lunar stratospherefalse
- 2lunar exospheretrue
- 3lunar endospherefalse
- 4lunar thermospherefalse
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Answer : 2. "lunar exosphere "
Q: For an object experiencing weightlessness _____
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63c7a79dbdbddb32fd9ccd6a- 1its weight force is non-zerofalse
- 2it has inertiatrue
- 3it experiences a value of acceleration greater than the acceleration due to gravityfalse
- 4it experiences a value of acceleration lesser than the acceleration due to gravityfalse
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Answer : 2. "it has inertia"
Q: What type of current is obtained from dynamo?
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5fe45b9a00c5087b4d132da3- 1Direct Sectiontrue
- 2alternating currentfalse
- 3both streamsfalse
- 4None of thesefalse
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Answer : 1. "Direct Section"
Q: The power of a lens is -2.0 D. Here ‘D’ stands for ________.
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60ffbd12d984302df240ac39- 1distancefalse
- 2dilationfalse
- 3dioptretrue
- 4degreefalse
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Answer : 3. "dioptre"
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: What does pupil come in bright light?
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5fe423549f9e9d787c92d003- 1bigfalse
- 2smalltrue
- 3No changefalse
- 4None of thesefalse
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Answer : 2. "small"
Q: The principle on which optical fiber works is
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5f746ec3a921aa16e68c3704- 1Full internal reflectiontrue
- 2Refractionfalse
- 3Scatteringfalse
- 4Deviationfalse
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Answer : 1. "Full internal reflection"
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