Physics · May / June 2024 · Paper 42 · Question 4
0625
As printed in the paper
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4(a)[2]
(evaporation:) (only) at the surface OR
boiling: happens throughout the liquid
(evaporation:) takes place at any temperature OR
boiling: takes place at a specific temperature / boiling point
4(b)(i)[1]
113 (K)
4(b)(ii)[2]
conduction
convection
4(c)[3]
particles collide with the walls / container
(particles) exert a force on the walls OR collision with walls produces a change in momentum (of particles)
pressure is force per unit area OR p = F / A OR pressure is rate of change of momentum per unit area
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