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Science TNSB Mentoring
Class 9
Heat
Heat, Its Effects, and Modes of Transfer
2.
Transfer of heat
Question:
2
m.
1
.
In which mode of transfer of heat, molecules pass on heat energy to neighbouring molecules without actually moving from their positions?
Radiation
Conduction
Convection
Both B and C
2
.
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
solar cell
solar cooker
thermometer
thermos flask
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