Question

Mention the necessary condition for transfer of heat by following methods:
(a) conduction (b) convention
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Answer 1

Answer:

(a) Conduction :material bodies should be in contact with difference in their temperature

(b) Convention : material bodies may not be in contact.

Answer 2

Answer:

(a)Conduction: The body should be in contact with difference in temperature.

(b)Convection:The body should not be in contact.