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Q.

The surface temperature of the sun which has maximum energy emission at 500 nm is 6000 K. The temperature of a star which has maximum energy emission at 400 nm will be:

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a

8500 K

b

4500 K

c

7500 K

d

6500 K

answer is C.

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Detailed Solution

λmT = b= constant 500×6000=400×T2 T2=7500 K
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