Question

define latent heat of vaporisation

Answer 1

Hii friend,
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Here is your answer
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When boling water, at 100℃ the water does not change its temperature, Eventhough you are heating it. There is a hidden heat which is captured by the remaining water and it is used to get converted into gaseous state. Thus is called latent heat of vaporization.

Answer 2

hy freind
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:- the amount of heat energy that is required to change 1 kg of a liquid into gas at atmospheric pressure without any change of temperature at its boiling point is known as latent heat of vaporisation
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