Physics Questions Practice Question and Answer
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64a2adc98dcbe3218b096682 Answer : 2. "An object under free fall is an example of uniform acceleration."
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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: 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: 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: Which is the largest source of energy on earth?
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60b4b317f2c446136b8b6a5c- 1Suntrue
- 2woodfalse
- 3Moonfalse
- 4Coalfalse
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Answer : 1. "Sun"
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 is correct about uniform acceleration?
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64a2adc98dcbe3218b096682- 1An object moving on friction-less surface can gain uniform acceleration.false
- 2An object under free fall is an example of uniform acceleration.true
- 3An object moving with constant speed is an example of uniform acceleration.false
- 4Motion of a spring is an example of uniform acceleration.false
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Answer : 2. "An object under free fall is an example of uniform acceleration."
Explanation :
1. The change in velocity of an object at equal time intervals is called uniform acceleration.
2. A freely falling object is an example of uniform acceleration.
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: Consider an inductor whose linear dimensions are tripled and the total number of turns per unit length is kept constant, what happens to the self-inductance?
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63c8df46bdbddb32fda053ad- 19 timesfalse
- 23 timestrue
- 327 timesfalse
- 41/3 timesfalse
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Answer : 2. "3 times "
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