100+ Physics Multiple Choice Questions Answers for Competitive Exams - 2

Question: 6

What is evaporation?

The conversion of a liquid into vapour (gas) by heating is known as evaporation.

Question: 7

What is called condensation?

The conversion of a vapour (gas) into liquid by cooling is known as condensation.

Question: 8

Name two diatomic elements?

Hydrogen and oxygen are the two diatomic elements.

Question: 9

Name the sub atomic particles?

Protons, neutrons and electrons are sub atomic particles.

Question: 10

What is called freezing?

The conversion of liquid into a solid by cooling is called freezing.