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1.1 The particle model

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Question 21
H

A sealed syringe contains 2.4 × 10-4 kg of air at a volume of 2.0 × 10-4 m3.

The plunger is pushed in until the volume of the air is 5.0 × 10-5 m3. No air escapes.

What is the new density of the air?

[1]
A

0.30 kg/m30.30\ \text{kg/m}^30.30 kg/m3

B

1.2 kg/m31.2\ \text{kg/m}^31.2 kg/m3

C

19 kg/m319\ \text{kg/m}^319 kg/m3

D

4.8 kg/m34.8\ \text{kg/m}^34.8 kg/m3

Markscheme

1.1 The particle model Questions

  1. GCSE
  2. /Physics
  3. /1.1 The particle model

44 exam-style questions on OCR GCSE Physics 1.1 The particle model, covering 1.1.1 Development of the atomic model, 1.1.2 Structure of the atom, 1.1.3 The size of atoms and small molecules, 1.1.4 Density, 1.1.5 Density and the states of matter, and 1.1.6 Density, mass and volume. Each one has a worked solution and a mark scheme showing where the marks go.

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