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Q.

Solar radiation emitted by sun resembles that emitted by a black body at a temperature of 6000 K. Maximum intensity is emitted at a wavelength of about 4800A0. If the sun was cooled down from 6000 K to 3000 K. then the peak intensity would occur at a wavelength of

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a

4800 A°

b

9600 A°

c

2400 A°

d

19200A°

answer is B.

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Detailed Solution

λm×T= constant, λ1T1=λ2T2

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