Physics MCQs for Class 9 with Answers Chapter 9

Google Ads1

Physics MCQs for Class 9 with Answers


The brids stretch out their wings and circle in the rising currents of hot air called
conduction
convection
radiation
thermals

Both metals and non-metals transfer:
Electricity
Heat
Both A and B
None of these

Heat can be transmitted form one object to the other by
convection
radiation
conduction
all of these

The earth temperature is :
300 K
200 k
100 K
50 K

The rate at which various surface absorb heat depends upon:
Nature of surface
Nature of liquid
Radiation
Emission & absorption

Feathers of bird give good thermal:
Conduction
Insulation
Convection
None of these

The process in which heat is transfer due to actual movement of molecule is called.
Conduction
radiation
Convection
All of these

Which surface is bad emitter:
White surface
Black surface
Coloured surface
Silver surface

Poor conductor of heat is:
Copper
Aluminium
Water
Iron

Wood, cork,cotton, wool , rubber are the examples of:
Conductor
Thermal conductor
Insulator
Both a & b

Continue Reading Go to Next Page

Google Ads

Be the first to comment

Leave a Reply

Your email address will not be published.


*