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Question 30915
JEE Physics · Hard

Fluid Mechanics: Pressure MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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PressureHardQuestion 30915

Question

Atmospheric pressure supports a column of mercury of height:
  1. A
    10.3 m of water
  2. B
    76 cm of mercury
  3. C
    1013 hPa
  4. D
    All of the above
    Correct

Correct answer

All of the above

Explanation

1 atm = 101,325 Pa = 76 cmHg = 10.3 m H₂O = 1013.25 hPa — all equivalent.

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