A black body of temperature is inside chamber of temperature initially. Sun rays are allowed to fall from a hole in the top of chamber. If the temperature of black body and chamber remains constant, then [2006]

Question

A black body of temperature $T$ is inside chamber of $T_{0}$ temperature initially. Sun rays are allowed to fall from a hole in the top of chamber. If the temperature of black body $(T)$ and chamber $(T_{0})$ remains constant, then [2006]

Smart Achievers · Accepted Answer

(4)

Since the temperature of black body and chamber remains constant so energy emitted = energy absorbed by black body.

Solution

Q.
A black body of temperature $T$ is inside chamber of $T_{0}$ temperature initially. Sun rays are allowed to fall from a hole in the top of chamber. If the temperature of black body $(T)$ and chamber $(T_{0})$ remains constant, then [2006]

1 Black body will absorb more radiation

2 Black body will absorb less radiation

3 Black body emit more energy

4 Black body emit energy equal to energy absorbed by it

Ans.
(4)

Since the temperature of black body and chamber remains constant so energy emitted = energy absorbed by black body.

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