Question

what is latent heat and how is it useful

Answer 1

Hi,

Here is your answer

The energy supplied to the body to change its state of matter without changing the temperature is called latent heat.
Latent heat is useful as it does not cause any rise in the temperature so keeps the surrounding cool.

Hope this helps you.

Answer 2

laten heat means hiden heat.in this the particles get heated up without showing any change .it's use is to break the attraction force of particles