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Wein's constant is 2892xx10^(-6) MKS uni...

Wein's constant is `2892xx10^(-6)` MKS unit and the value of `lambda_(m)` from moon is 14.46 microns. What is the surface temperature of moon

A

200 k

B

2000 K

C

20 K

D

`200^(@)C`

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The correct Answer is:
A
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