Question
Physics Question on Ray optics and optical instruments
Experimental investigations show that the intensity of solar radiation is maximum for a wavelength 480 nm in the visible region.Estimate the surface temperature of sun. Given Wein’s constant b = 2.88 × 10–3 mK.
A
(A) 4000 K
B
(B) 6000 K
C
(C) 8000 K
D
(D) 106 K
Answer
(B) 6000 K
Explanation
Solution
Explanation:
λ=×T=bλm=480nmT=bλm=2.88×10−3480×10−9=6000K