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On observing light from three different stars P, Q and R, it was found that intensity of violet color is maximum in the spectrum of P, the intensity of green colour is maximum in the spectrum of R and the intensity of red colour is maximum in the spectrum of Q. If `T_(P),T_(Q)` and `T_(R)` are the respective absolute temperatures of P,Q and R, then it can be concluded from the above observation that :

A

`T_(P)gtT_(R)gtT_(Q)`

B

`T_(P)ltT_(R)ltT_(Q)`

C

`T_(P)ltT_(Q)ltT_(R)`

D

`T_(P)gtT_(Q)gtT_(R)`

Text Solution

Verified by Experts

The correct Answer is:
A

As per Wein.s displacement law `lamda_(m)` T = constant.
`:.` If `lamda_(m)` decreases, then T increase.
Now from sequence .VIBGYOR..
`lamda_(m)` of violet is minimum, hence T is maximum `lamda_(m)` of red is maximum hence T is minimum
`:.T_(P)gtT_(R)gtT_(Q)`
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