With increase in temperature, thermal conductivity of air ________ .
increases
decreases
remains the same
none of these
increases
With increase in temperature, thermal
conductivity of air also increases.
When Temperature of air increases the molecular
diffusion also gets increases.Thermal conductivity is directly proportional to
the lattice vibration and molecular diffusion and hence as the temperature
increases the thermal conductivity of air increases.
Hence, the correct option is (A).
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