Top 1000+ General Knowledge Quiz Questions with Answers - 2

Question: 6

What is meant by convection of heat?

The heat is transferred from hotter portions to colder portions by the actual movement of particles of a substance is called convection of heat.

Question: 7

What is meant by conduction of heat?

The heat is transferred along a solid body from one particle (molecule) to another without the movement of the particles themselves. This method of heat transfer is called conduction of heat.

Question: 8

What is latent heat?

The latent heat of a substance is defined as the amount of heat absorbed by a unit mass of the substance to change its state without change of temperature.

Question: 9

Define latent heat of vapourisation?

Latent heat of vapourisation of a liquid is the amount of heat required to convert unit mass of a liquid at its normal boiling point into vapour at the same temperature.

Question: 10

Define sublimation?

Some materials may change directly from a solid to a gas. This is called sublimation.