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2.1 Kinetic particle model of matter

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Question 30

A stationary dust particle suspended in air is hit by a fast-moving oxygen molecule.

Which of the following correctly describes the motion of the dust particle and the oxygen molecule after the collision?

A

Dust particle: remains stationary; Oxygen molecule: stops

B

Dust particle: remains stationary; Oxygen molecule: rebounds

C

Dust particle: moves; Oxygen molecule: stops

D

Dust particle: moves; Oxygen molecule: rebounds

Markscheme

2.1 Kinetic particle model of matter Questions

  1. IGCSE
  2. /Physics
  3. /2.1 Kinetic particle model of matter

321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.

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