Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A black body is at temperature 2880 K. The energy of radiation emitted by this object with wavelength between 499 nm and 500 nm is `U_1`, between 999 nm and 1000 nm is `U_2` and between 1499 nm and 1500 nm is `U_3`. The Wien's constant `b = 2.88xx10^5` nm-K. Then - Sarthaks eConnect

A black body is at temperature 2880 K. The energy of radiation emitted by this object with wavelength between 499 nm and 500 nm is `U_1`, between 999 nm and 1000 nm is `U_2` and between 1499 nm and 1500 nm is `U_3`. The Wien's constant `b = 2.88xx10^5` nm-K. Then

A black body is at temperature 2880 K. The energy of radiation emitted by this object with wavelength between 499 nm and 500 nm is `U_1`, between 999 nm and 1000 nm is `U_2` and between 1499 nm and 1500 nm is `U_3`. The Wien's constant `b = 2.88xx10^5` nm-K. Then

A.

`U_1=0`

B.

`U_3=0`

C.

`U_1>U_2`

D.

`U_2>U_1`

Solution

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The maximum energy is radiated for `10^3` nm wavelength. It follows that the energy rediated between 499 nm to 500 nm will be les than that emitted between 999 nm 1000 i.e;

`U_1<U_2` or `U_2>U_1`