Question

A barometer tube reads 76 cm of mercury. If the tube is gradually inclined keeping the open end immersed in the mercury reservoir, will the length of mercury column be 76 cm, more than 76 cm or less than 76 cm?

Answer 1

A barometer tube reads 76 cm of mercury. If the tube is gradually inclined keeping the open end immersed in the mercury reservoir, then the length of the mercury column will remains the same.

This is because, we are always interested in the Vertical height, which will not depends upon the inclination.

You may see the Image attached in the Figure, for more understanding.

Hope it helps.

Answer 2

Explanation:

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