Physics MCQs for Class 9 with Answers
The process in which heat is transfer due to actual movement of molecule is called.
Conduction
radiation
Convection
All of these
In building central heating system works on the process of:
Covection
Radiation
Conduction
both a and b
The main source of energy n the universe is:
Moon
Stars
Sun
Planets
A Leslie cube is a:
Metal box
Wooden box
Glass box
None
__________ is a major source of heat:
Mercury
Sun
Fire
Moon
The earth temperature is :
300 K
200 k
100 K
50 K
Conduction on heat occur at ________ rate in materials
Different
Same
Both A and B
None
The sun’s surface temperature is :
3,000 K
3,030 k
6,000 K
600 K
Google Ads
Leave a Reply