On observing light from three different stars `P`, `Q` and `R`, it was found that intensity of violet colour 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 respective absolute temperature of `P`, `Q` and `R`. then it can be concluded from the above observation that

Options

A. `T_(P) gt T_(Q) gt T_(R)`
B. `T_(P) gt T_(R) gt T_(Q)`
C. `T_(P) lt T_(R) lt T_(Q)`
D. `T_(P) lt T_(Q) lt T_(R)`

Answer

B

Explanation

From Wein's displacement law, `lambda_(m) xx T =` consta nt
P-max. Intensity is at voilet `rArr lambda_(m)` is minimum `rArr` temperature maximum
R-max intensity is at green `rArr lambda_(m)` is moderatate `rArr` temperatrue moderature
Q-mix intensity is at red `rArr lambda_(m)` is maximum `rArr` temperature minimum.
i.e., `T_(P) gt T_(R) gt T_(Q)`.