Question

Though air is bad conductor yet a body kept in air losses heat quickly this is due to

A

Conduction

B

Convection

C

Radiation

D

None of these

Medium

Solution

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Correct option is
B

Convection

Al tough air is bad conductor but has high rate of convection . Convection involves movement of matter particles from one place to another in order to transfer heat. Air can easily move from one place to another due to difference in density and high fluidity, so it can easily transfer heat from higher temperature object to lower temperature object.

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