Latent Heat MCQs with Answers PDF Download – Test 150

Amount of thermal energy required to change 1 kg of solid to liquid and vice versa without any change in temperature is called

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

Mass of sea water is 52275 kg and volume is 51 m³, its density is

1. 10.25 kg m^-3
2. 1.025 kg m^-3
3. 102.5 kg m^-3
4. 1025 kg m^-3

Wooden ladles are used to stir or scoop hot soup because of it's

1. good conduction of heat
2. good conduction of electricity
3. good insulation of electricity
4. good insulation of heat

While moving from deep water to shallow water,

1. Only the wavelength of the water waves decrease
2. Only the speed of the water waves decrease
3. Both the wavelength and the speed of the water waves decrease
4. Neither the wavelength nor the speed of the water waves decrease

When the resistance of a conducting wire at ice point is 1.2 Ω and 11.2 Ω at steam point, and the resistance of wire is 2 Ω the room temperature would be

1. 2.5 °C
2. 8 °C
3. 7.5 °C
4. 13 °C