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Questions  

A black body at a temperature of 1640 K has the wavelength corresponding to maximum emission equal to 1.75 μ. Assuming the moon to be a perfectly black body, the
temperature of the moon, if the wavelength corresponding to maximum emission is 14.35 μ is:

a
100 K
b
150 K
c
200 K
d
250 K

detailed solution

Correct option is C

λmT=b=constant

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