Q.
black body has wavelength λm corresponding to maximum energy at 2000 K. Its wavelength corresponding to maximum energy at 3000 K will be:
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a
32λm
b
23λm
c
1681λm
d
8116λm
answer is B.
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Detailed Solution
λmT=constant ⇒λm(2000)=λ'm(3000) ⇒ λm'=23λm
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