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Online Tests
Physics 9th Class English Medium Unit 9 Online Test MCQs With Answers
Question # 1
The insulator of heat is:
Choose an answer
Cork
Cotton
Wood
All
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Question # 2
The quantity of heat absorbed by the body depends upon:
Choose an answer
Colour of surface
Nature of surface
Shape of surface
Both a and b
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Question # 3
More radiation is reflected by the surface.
Choose an answer
White
Coloured
Black
Rough
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Question # 4
The transfer of heat by vibrating molecules in solids :
Choose an answer
Conduciton
Radiation
Convection
None
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Question # 5
Birds are able to fly on ____________
Choose an answer
Radiations
Thermals
Air
Layers
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Question # 6
Leslie cube have faces:
Choose an answer
2
3
4
5
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Question # 7
Light from the sun contain thermal radiation of:
Choose an answer
Long wavelength
Short wavelength
Ultra violet rays
Visible light
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Question # 8
____________ is bad conductors of heat:
Choose an answer
Copper
Water
Wire
Nil
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Question # 9
Leslie's cube is filled with
Choose an answer
Cold water
Hot water
Mercury
Air
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Question # 10
Glider pilots use __________ movement of hot air currents due to convection of heat:
Choose an answer
Downward
Upward
Left
right
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Question # 11
At night , the air from land to begins towards sea called:
Choose an answer
Land breeze
Sea breaze
Both A and B
Radiation
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Question # 12
__________ is a major source of heat:
Choose an answer
Mercury
Sun
Fire
Moon
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Question # 13
A Leslie cube is use to identify :
Choose an answer
Radiation
Conduction
Convection
Both A and B
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