CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The 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 the maximum value at 350 nm. If these stars behave like blackbodies, then the ratio of the surface temperatures of the sun and North Star is

A
1.46
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
0.69
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1.21
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
0.83
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 0.69
From Wein's displacement Law,
λmT= constant(b)
T=bλm
TsunTnorthstar=(λm)northstar(λm)sun=3505100.69

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Light spectrum Tackle
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon