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Q: What measures Air pressure?

  • 1
    Barkometer
  • 2
    Bolometer
  • 3
    Spectrometer
  • 4
    Barometer
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Answer : 4. "Barometer"
Explanation :

Answer: D) Barometer Explanation: Air Pressure can be defined as the pressure of air in the earth's atmosphere. It reaches a maximum of about 100,000 Pa near sea level and decreases as altitude increases. The barometer is an instrument which is used for measuring Air pressure.   Physics instruments and their uses:   Barkometer  - - - Tanning liquors used in tanning leather Bolometer  - - - Electromagnetic radiation Spectrometer - - -  Properties of light.

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