Energy Transfers in Changes of State
Energy Transfers in Changes of State: Overview
This topic covers concepts, such as, Evaporation, Factors Affecting Evaporation, Increase in Kinetic Energy & Effect on Vibrations of Particles due to Temperature etc.
Important Questions on Energy Transfers in Changes of State
Difference between evaporation and vaporisation?

The evaporation does not depends on wind speed.

Explain the role of wind speed in evaporation.

Write the name of the process taking place in the following event.
Solid butter changing to liquid.

Water at room temperature is a liquid.

It is more comfortable to wear cotton clothes during summer.

Water kept in an earthen pot (matka) become cool during summers due to:

Condensed water changes into vapour.

Water has very high heat capacity.

On increase in the temperature, liquid will-

What is the process of conversion of liquid into vapours, known as?

Evaporation occurs only on the surface of water.

When the velocity of gas molecules increases, their kinetic energy _____.

The rate of evaporation is affected by the speed of the wind.
