Physics 9702 · AS & A Level · Specific heat capacity and specific latent heat

Specific heat capacity and specific latent heat — practice question

(a)[2]

Define what is meant by specific latent heat of fusion.

(b(i))[1]

State the observation made by the student that shows the ice is melting at a constant rate.

(b(ii).1)[2]

Use the data shown in Fig. 3.2 to find the rate at which thermal energy is transferred to the melting ice.

(b(ii).2)[2]

Use the data shown in Fig. 3.2 to find the rate at which thermal energy is gained from the surroundings.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Thermal energy needed per unit mass to bring about a change of state

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