First slide

Radiation

Question

Assertion : If the temperature of a star is doubled then the rate of loss of heat from it becomes 16 times.
Reason : Specific heat varies with temperature.

Moderate

A

If both assertion and reason are true and reason is a true explanation of assertion.
B

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

If assertion is true but reason is false.
D

If both assertion and reason are false.

Solution

This is in accordance with the Stefan's law E is directly proportional to $T^{4}$ .

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