(a)[2]
Define the term latent heat of fusion.
(b(i))[2]
On Fig. 3.1, sketch a graph showing how the temperature of the metal varies with time.
(b(ii))[2]
Explain in what way the temperature-time graph for Q is different from the graph in (b)(i).
Physics 5054 · O Level · Melting, boiling and evaporation
Define the term latent heat of fusion.
On Fig. 3.1, sketch a graph showing how the temperature of the metal varies with time.
Explain in what way the temperature-time graph for Q is different from the graph in (b)(i).
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “energy required for a substance to change from solid to liquid” …