CAIE IGCSE Physics 2.1.2.8 Microscopic Particles May Be Moved By Questions

Practise explaining Brownian motion as random changes in momentum caused by impacts from surrounding molecules with CAIE IGCSE Physics questions and mark schemes.

Exam points

Explain Brownian motion as random changes in momentum caused by impacts from surrounding molecules.

[Maximum number: 1]

A stationary smoke particle is hit by a fast-moving nitrogen molecule.
Which row describes the motion of the smoke particle and of the nitrogen molecule after the collision?

smoke particle

nitrogen molecule

moves

rebounds

moves

stops

remains stationary

rebounds

remains stationary

stops

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CAIE IGCSE Physics 2.1.2.8 Microscopic Particles May Be Moved By Questions question 1