Determine the spectral existence of a body by using plank’s law, if the wave l

Question

Determine the spectral existence of a body by using plank’s law, if the wave length is given as 456m and the absolute temperature is 765K.

Options:

A . 3.6*10³⁰ W / sq. m

B . 4.6*10³⁰ W / sq. m

C . 6.6*10³⁰ W / sq. m

D . 3.6*10³⁰ W / sq. m

Answer: Option D
Answer: (d).3.6*10³⁰ W / sq. m

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