Q .     Intensity of radiation emitted by the sun has its maximum value at a wavelength of `510` nm and that emitted by the North star has maximum value at `350` nm. If these stars behave like black-bodies, then the ratio of the surface temperature of the sun and the north star is

JEE 1987
A

`1`

B

`1.46`

C

`1.21`

D

`0.69`

HINT

Wien’s displacement law
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