If the mercury in a barometer raises 15. 5 centimeters due to a change in ambient pressure, what is the corresponding change in pressure in atm?.

Answer :

The corresponding change in pressure in 0.2026 atm.

A change in pressure is a change in the amount of force applied to an area over a given surface. Pressure is measured in units called pascals (Pa). An increase in pressure occurs when more force is applied to the same area, or when the same amount of force is applied to a smaller area.

A decrease in pressure occurs when less force is applied to the same area, or when the same amount of force is applied to a larger area.

Convert 15.5 centimeters to millimeters (1 cm = 10 mm).

15.5 cm = 155 mm

Use the formula: Pressure (in atm) = (Height in mm) / 760.

Pressure = (155 mm) / 760

Pressure = 0.2026 atm

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