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1.3 Pressure

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Question 15
F

A gas is sealed inside a syringe. The plunger is pulled out slowly, so the temperature of the gas stays the same.

Which statement describes the gas particles?

[1]
A

Their average speed decreases, and they hit the walls less often each second

B

Their average speed stays the same, and they hit the walls less often each second

C

Their average speed stays the same, and they hit the walls more often each second

D

Their average speed increases, and they hit the walls as often each second

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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