CAIE IGCSE Physics 2.2.3.4 Evaporation in Terms of the Escape of Questions

Practise explaining surface evaporation below boiling point, energetic particle escape, and cooling from reduced average kinetic energy with CAIE IGCSE Physics questions and mark schemes.

Exam points

Explain evaporation at the surface below boiling point, particle escape by higher energy, and cooling from reduced average kinetic energy.

[Maximum number: 1]

Fig. 2.1 shows an electric tumble dryer used to dry wet clothes.

Fig. 2.1

Hot air blows into the drum. The air gains water vapour from the clothes and then leaves the drum. The moist air enters the condenser. Cool air leaves the condenser, passes through the heating element and enters the drum again.

State the process by which the hot air removes water from the wet clothes.

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CAIE IGCSE Physics 2.2.3.4 Evaporation in Terms of the Escape of Questions question 1