Which one of the following expressions represents the heat absorbed when kilograms of…

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

Which one of the following expressions represents the heat absorbed when

m

kilograms of a substance at its melting point changes completely into liquid at the same temperature? (a)

mc\Delta T

(b)

\dfrac{Q}{m\Delta T}

(c)

mL

(d)

mc\Delta T + mL