Question

define latent heat of fusion

Answer 1

The amount of heat required to convert a solid at its melting point into a liquid without an increase in temperature. Liquids release the same amount of heat when they solidify. See also heat of vaporization.

Answer 2

the amount of heat required to change 1 kg of substance at the temperature ofits melting point from solid to liquid state without changing the temperature is called latent heat of fusion