May/June 2026 Paper 42

2026 · 11 questions · 41 parts · 80 marks

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5(a)Latent Heat Changes StateMedium3 marks
On a hot day, a student wets his skin with cold water. The water on the student’s skin evaporates. Explain, in terms of particles, why the student’s skin temperature decreases.

Answer

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5(b)Latent Heat Changes StateEasy2 marks
Figure 5.1 shows wet clothes on a line in the open air. Water evaporates from the clothes. State two factors which affect the rate of evaporation of the water.
Figure 5.1, wet clothes pegged out on a washing line between two posts in the open air

Two answers required.