By the process of convection the transfer of heat is always-
upwards
downwards
sideways
in all possible directions
A
sideways
B
in all possible directions
C
upwards
D
downwards
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Solution
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The correct option is A upwards
By the process of convection the transfer of heat is always upwards.
Liquid and gases are bad conductors of heat. They are heated mainly by the process of convection. Solids can't be heated by the process of convection, In the process of convection the transfer of heat is always vertically upwards.
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