This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Physics 9 Chapter 9 - Transfer of Heat - 1
1.
What type of energy is required to cook our foods?
a) Air pressure
b) Light energy
c) Heat energy
d) Solar energy
2.
What type of energy flows from a hot body to a cold body?
a) Electric energy
b) Wave energy
c) Thermal energy
d) Light energy
3.
Thermal energy from a hot body flows to a cold body in the form of.................?
a) Waves
b) Light
c) Current
d) Heat
4.
What is the transfer of thermal energy from a hot body to a cold body called?
a) Transfer of light
b) Transfer of rays
c) Transfer of heat
d) Transfer of solar energy
5.
By how many ways transfer of heat takes place?
a) Five
b) Four
c) Three
d) Two
6.
Which of the following are the ways of transfer of heat?
a) Conduction
b) Convection
c) All of these
d) Radiation
7.
In which, heat is transferred from one part to other parts from atoms to atoms or molecules?
a) Gases
b) Solids
c) Plasma
d) Liquids
8.
In which, atoms and molecules are packed close together?
a) Gases
b) Plasma
c) Liquids
d) Solids
9.
Why heat flow from hot to cold parts in metals so rapidly than non-metals?
a) Because non-metals have free electrons
b) Because non-metals have positive ions
c) Because metals have free electrons
d) Because metals have positive ions
10.
Which of the following have free electrons?
a) None of these
b) Non-metals
c) Metalloids
d) Metals
This is more feedback!
This is the feedback!
