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Which instrument is used in submarine to see the objects above sea level ?

  • Pykometer
  • Polygraph
  • Photometer
  • Periscope
Similar Questions :

1. Name of the instrument to measure atomspheric pressure ?

  • Barometer
  • Barograph
  • Bolometer
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2. Nuclear sizes are expressed in a unit named

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  • Angstrom
  • Newton
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3. What is Hooke's Law ?

  • Stress is inversely proportional to strain.
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  • Stress and strain are dependent on each other.
  • Stress and strain are independent of each other.

4. What is unit of Astronomical distance ?

  • light year
  • angstrom
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5. Radiocarbon is produced in the atmosphere as a result of

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  • action of ultraviolet light from the sun on atmospheric oxygen
  • action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
  • lightning discharge in atmosphere
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