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1.3 Pressure

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Question 32
H

A gas is compressed slowly in a sealed cylinder, so its temperature stays the same.

Which statement describes the collisions of the gas particles with the walls of the cylinder?

[1]
A

There are more collisions each second, and the average force of each collision is unchanged

B

There are more collisions each second, and the average force of each collision increases

C

There are the same number of collisions each second, but the average force of each increases

D

There are fewer collisions each second, and the average force of each collision is unchanged

Markscheme

1.3 Pressure Questions

  1. GCSE
  2. /Physics
  3. /1.3 Pressure

50 exam-style questions on OCR GCSE Physics 1.3 Pressure, covering 1.3.1 Molecular motion, temperature and gas pressure, 1.3.2 Gas pressure at constant volume, 1.3.3 Compressing and expanding gases, 1.3.4 Gas volume and pressure at constant temperature, 1.3.5 Doing work on a gas, 1.3.6 The Earth's atmosphere and atmospheric pressure, 1.3.7 Atmospheric pressure and height, 1.3.8 Floating and sinking, 1.3.9 Pressure in liquids and upthrust, and 1.3.10 Pressure differences with depth. Each one has a worked solution and a mark scheme showing where the marks go.

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