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Physics · Oct / Nov 2023 · Paper 12 · Question 18

5054Particle model

A sealed cylinder containing gas is left in direct sunlight. Eventually the cylinder explodes. How is this explained in terms of the behaviour of the gas particles?

  1. AEach particle gets bigger and they collide with each other more often.
  2. BEach particle gets bigger and they collide harder with the cylinder.
  3. CThe particles gain kinetic energy and hit the cylinder harder and more often.
  4. DThe particles lose kinetic energy and they hit the cylinder harder and more often.

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Correct answer: C. The particles gain kinetic energy and hit the cylinder harder and more often.

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