Question

A barometer reads 76 cm at sea level. If the barometer is taken to a height 210 m, it records new pressure. Calculate the new pressure. (Take density of mercury 13600 kgm$^{–3}$, density of air 1.29 kgm$^{3}$ and g = 10 ms$^{2}$​

Answer 1

Explanation:

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Answer 2

Answer:

Given:

• The barometer reads 76 cm at sea level.
• If it is taken to a height of 210 m, it records new presure.

To find:

The new pressure.

Solution:

Pressure of barometer = 76 cm – 2 cm = 74 cm.

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