A black body at 200 K is found to emit m...

A black body at 200 K is found to emit maximum energy at a wavelength of `14mu m`. When its temperature is raised to 1000 K, the wavelength at which maximum energy is emitted is

A

`14mum`

B

`70mum`

C

`2.8mum`

D

`2.8mm`

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The correct Answer is:

C

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