Latent Heat MCQ (Multiple Choice Questions) PDF Download

Amount of energy required to change the liquid to gas and vice versa without any change in temperature is termed as

1. Latent Heat of Fusion
2. Latent Heat of Vaporization
3. Heat Capacity
4. Specific Heat Capacity

When you hang your t-shirt or jeans on a rope to dry it out, it dries fast even if there is no sun, this is due to

1. boiling of the perfume
2. evaporation of the liquid
3. melting of the liquid
4. condensing of the deodorant

Formula for specific latent heat of fusion is

1. L_f = m/l_f
2. L_f = l_f/m
3. l_f = L_f × m
4. l_f = L_f/m

Unit for specific latent heat is

1. Watts per Joule
2. Joules per Watt
3. Joules per Kilogram
4. Pascal per Watt

Latent heat of vaporization is

1. the amount of heat required to raise the temperature of a 1 kg of a substance by 1 K
2. the amount of heat required to raise the temperature of a substance by 1 K
3. the amount of heat required to change the phase of a substance from solid to liquid without any change in temperature
4. the amount of heat required to change the phase of a substance from liquid to gas without any change in temperature