Question

write about the two types of barometers​

Answer 1

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Mercury Barometer

This weather instrument was invented by Torricelli in 1643. A mercury barometer consists of a glass column marked off in inches. The top end of this glass tube is closed, and the other end rests in a small cup of mercury, called a cistern. A column of mercury resides inside the upright glass tube. Mercury barometers are often used today in physics classes.

Aneroid Barometer

An aneroid barometer is made without fluid. It consists of a small, flexible metal box called an aneroid capsule, which is made from an alloy of beryllium and copper. The metal box is tightly sealed so that changes in atmospheric pressure outside the box cause an expansion and contraction of levers and springs inside the box.

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Answer 2

Answer:

Mercury Barometer

This weather instrument was invented by Torricelli in 1643. A mercury barometer consists of a glass column marked off in inches. The top end of this glass tube is closed, and the other end rests in a small cup of mercury, called a cistern. A column of mercury resides inside the upright glass tube. Mercury barometers are often used today in physics classes.

Aneroid Barometer

An aneroid barometer is made without fluid. It consists of a small, flexible metal box called an aneroid capsule, which is made from an alloy of beryllium and copper. The metal box is tightly sealed so that changes in atmospheric pressure outside the box cause an expansion and contraction of levers and springs inside the box.