Pressure

pressure value?

• p

• N

• Pa

• ml

Which instrument is used to measure atmospheric pressure?

• manometer

• thermometer

• bonometer

• barometer

A diver is 10 meters underwater. If the density of water is 1000 kg/m³ and gravitational acceleration is 9.8 m/s², what is the hydrostatic pressure at this depth? (Atmospheric pressure excluded)

• 980 Pa

• 9800 Pa

• 98,000 Pa

• 9,800,000 Pa

What causes atmospheric pressure?

• Gravity acting on the Earth’s atmosphere

• Heat from the sun

• Air circulation patterns

• The Earth’s magnetic field

Answer explanation

in the depths of the ocean pressure is low.

• True

• False

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