Home Physics Elasticity ( Mechanical Properties of Solids ) NCERT On observing light from three different star…
Physics Elasticity ( Mechanical Properties of Solids ) NCERT MCQ (Single Correct)

On observing light from three different stars and , it was found that intensity of violet colour is maximum in the spectrum of , the intensity of green colour is maximum in the spectrum of and the intensity of red colour is maximum in the spectrum of . If and are the respective absolute temperatures of and , then it can be concluded from the above observations that

A
B
C
D

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The correct answer is:
D

: According to Wein’s displacement law constant (i)

For star , intensity of violet colour is maximum

For star , intensity of red colour is maximum.

For star , intensity of green colour is maximum.

Also,

Using equation (i),

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