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The black body specrum of an object O(1)...

The black body specrum of an object `O_(1)` is such that its radiant intensity (i.e. Intensity per unit wavelength interval) is maximum at a wavelength of 200nm. Another object `O_(2)` has the maximum radiant intensity at 600 nm. The ratio of power emitted per unit area by source `O_(1)` to that of source `O_(2)` is

A

`1 : 81`

B

`1 : 9`

C

`9 : 1`

D

`81 : 1`

Text Solution

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The correct Answer is:
D
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