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What is unit of Astronomical distance ?

  • light year
  • angstrom
  • weber
  • lux

Answer: Option A

Explanation:

angstrom is used to measure wave length,

weber is used to measure Magnetic flux,

lux is used to measure Intensity of illumination.

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  • True
  • False

Answer: Option A

2. newton is used to measure

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  • Force
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Answer: Option C

3. Atmospheric pressure is measured by

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Answer: Option C

4. What is displacement ?

  • Longest distance covered by a body in a random direction.
  • Shortest distance covered by a body in a random direction.
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Answer: Option C

5. The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called

  • Nuclear fusion
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Answer: Option B

Read more from - Physics Questions Answers
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