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1.3 Pressure

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Question 25
H

A student investigates how the volume of a fixed mass of air in a sealed syringe changes as the pressure on it increases.

The student's results do not fit the relationship pressure×volume=constant\text{pressure} \times \text{volume} = \text{constant}pressure×volume=constant.

Which change to the method would make the results fit this relationship more closely?

[1]
A

Repeat each reading three times and calculate a mean volume

B

Wait after each change in pressure before reading the volume

C

Use a larger syringe so that each volume reading is bigger

D

Push the plunger in quickly so that each reading is taken sooner

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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