Paper 1 · June 2024 · Density and Pressure

The SI unit of pressure is

AAtmospheres.

BNewtons.

CPascals.

DmmHg.

Explanation

One pascal is one newton spread over one square metre, and it is the SI unit. The atmosphere and the millimetre of mercury are older practical units, and the newton measures force rather than pressure.

ZIMSEC Physics 4023/1, June 2024, Q1

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The SI unit of pressure is

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