What will happen if there are air bubbles in the tube of barometer?

Mercury will begin to get heated

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It will add more unwanted pressure

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It will decrease pressure

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Mass of mercury will decrease

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Solution

The correct option is B
It will add more unwanted pressure

The air bubbles will add more pressure on top of the mercury in the tube once it is tilted. This will give a wrong reading or measurement of atmospheric pressure.

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Similar questions

What will happen if there are air bubbles in the tube while measuring atmospheric pressure?

373

600

V_{2} = V_{1} \times \frac{P_{1}}{P_{2}} \times \frac{T_{2}}{T_{1}}

27^{o} C

76 c m

330 m s^{- 1}

100 c m

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