A student heats of ice initially at

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A student heats

0.20\,\text{kg}

of ice initially at

0^\circ\text{C}

. The thermometer reading remains at

0^\circ\text{C}

for several minutes although the heater is on throughout. Explain this observation.