PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
Which statement is correct about melting?
(1) The average kinetic energy of the particles increases, but the temperature stays the same.
(2) The average kinetic energy of the particles increases, and the temperature increases.
(3) The average kinetic energy of the particles stays the same, but the temperature increases.
(4) The average kinetic energy of the particles stays the same, and the temperature stays the same.