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Assertion : The equivalent thermal condu...

Assertion : The equivalent thermal conductivity of two plates of same thickness in contact (series) is less than the smaller value of thermal conductivity.
Reason : For two plates of equal thickness in contact (series) the equivalent thermal conductivity is given by
`1/K = 1/K_(1) + 1/K_(2)`

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true reason is false

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
D
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