Question

Describe the construction and working of mercury barometer

Answer 1

Answer:

The answer to the question-"describe the construction and working of mercury barometer​" is-

Explanation:

Construction of  Mercury barometer​

In  1643, the general construction remain unchanged from the time of Torricelli's experiment . It was a three feet long glass tube, which is filled with mercury and closed on one end .It's open end is immersed in a cistern of mercury and the same end is inverted.

Working principle of mercury barometer

In a barometer, to prevent air from imbalancing or disturbing the scale and measures its one end is sealed .

Thus, we can say that a Mercury Barometer follows the principle of balancing the atmospheric pressure along with the volume of mercury which is present in the device.

To know more about mercury barometer click on the link below-

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To know more about barometric pressure measure click on the link below-

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Answer 2

Answer:

Explanation:

Barometer is an instrument used to measure atmospheric pressure.