Question

What is the meaning of latent heat?

Answer 1

Latent heat:

• Latent heat is defined as the amount of heat energy released or absorbed during a phase transition at constant temperature is known as latent heat.
• It describes the internal energy of the system.
• Mathematically latent heat is represented as follows:

$\mathrm{Q}=\mathrm{mL}$

where ‘Q’ is the heat supplied, ‘m’ is the mass of substance, and ‘l’ is the latent heat.

• The SI unit of latent heat is $\frac{\mathrm{Joule}}{\mathrm{kg}}$.