Physics Questions Practice Question and Answer
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Q: The velocity of sound in the air (vacuum) is:
1239 06165591ad881f961723211b5
6165591ad881f961723211b5- 1110 m / secfalse
- 2232 m / secfalse
- 3331 m / sectrue
- 4220 m / secfalse
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Answer : 3. "331 m / sec "
Q: Unit of impedance is ___________.
1238 162f33bf409a97851b630c16d
62f33bf409a97851b630c16d- 1ohmtrue
- 2henryfalse
- 3teslafalse
- 4hertzfalse
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Answer : 1. "ohm"
Q: Instrument for measuring blueness of the sky or ocean is called ___________.
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62de73c2313eb40eb89fd06b- 1Bathymeterfalse
- 2Ceraunographfalse
- 3Cyanometertrue
- 4Barometerfalse
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Answer : 3. "Cyanometer"
Q: Choose the correct statement
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63c910807efeed32fc20e26c- 1A body can be accelerated by frictional forcefalse
- 2There can be zero frictionfalse
- 3Kinetic friction is greater than rolling frictiontrue
- 4Frictional force and area of contact between the two surfaces are proportionalfalse
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Answer : 3. "Kinetic friction is greater than rolling friction "
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"
Q: What is the refractive index of diamond?
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5f6da978f9079a64e3c0a995- 11.77false
- 21.47false
- 31.44false
- 42.42true
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Answer : 4. "2.42"
Q: Parsec is a unit?
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60b4b8b37cb636175d3d11e2- 1massfalse
- 2magnetic forcefalse
- 3Timefalse
- 4Distancetrue
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Answer : 4. "Distance"
Q: On which part of the eye does the reflection of an object lie?
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5fe45b109002d17b1c42e984- 1corneafalse
- 2Retinatrue
- 3Irisfalse
- 4pupilfalse
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Answer : 2. "Retina"
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