Barometer

There are how many type of barometer?

• 1

• 2

• 3

• 4

The common unit of measurement used in barometers is the millibar?

• TRUE

• FALSE

1 millibar = _______ pascal

• 1000

• 100

• 10

• 1

what is the function of barometer?

• used in forecasting weather

• measure atmospheric pressure

• determine the altitude

• all of above

In the mercury barometer, atmospheric pressure balances a column of mercury & the __________ can be precisely measured.

• width

• pressure

• height

• expansion

Mercury barometer utilize a complex mechanism.

• TRUE

• FALSE

Mercury barometer is easy to take a measurement since it directly gives a value.

• TRUE

• FALSE

What is the third steps to construct mercury barometer?

• Close the open end with your thumb and carefully turn the tube upside down

• Remove the thumb by dipping the open end of the tube into a mercury bowl

• The glass tube is totally filled with mercury.

• Used a clear, dry, thick-walled test tube about 1 metre long transparent

Mercury barometers based on ________ original model.

• Bernoulli's

• Pascal's

• Rutherford's

• Torricelli’s

At which point show the highest pressure?

• A

• B

• C

• D