Atmospheric Pressure, Barometer

The diagram shows a ball in a tank of water of density 1 g/cm³.

Given that the atmospheric pressure is 100 000 Pa, what is the total pressure of the ball at the bottom of the tank?

• 2 000 Pa

• 2 200 Pa

• 100 200 Pa

• 102 000 Pa

The diagram shows a ball in a tank of water of density 1 g/cm3.

Given that the atmospheric pressure is 100 000 Pa, what is the total pressure experienced at the top of the ball at the position shown in the diagram?

• 500 Pa

• 100 050 Pa

• 101 000 Pa

• 100 500 Pa

The diagram shows a barometer.

The liquid in the barometer is mercury.

What is the pressure at point A?

• 5 cm Hg

• 60 cm Hg

• 70 cm Hg

• 75 cm Hg

The diagram shows a barometer.

The liquid in the barometer is mercury.

What is the pressure at point B?

• 15 cm Hg

• 60 cm Hg

• 75 cm Hg

• 135 cm Hg

The diagram shows a barometer.

The liquid in the barometer is mercury.

What is the atmospheric pressure measured by the barometer?

• 15 cm Hg

• 60 cm Hg

• 75 cm Hg

• 135 cm Hg