Q: The specific latent heat of vaporization of a substance is the quantity of heat needed to change unit mass from
(a)liquid to vapour with a change of temperature
(b)liquid to vapour without a change of temperature
(c)vapour to liquid without a change of temperature
(d)vapour to liquid with a change of temperature
Correct Answer: (b)
The correct answer is (a) 'liquid to vapour with a change of temperature'. This question from the Geography domain tests knowledge of Atmosphere & Climatology.