11Ans ) (d)
Use Wein's Displacement Law
black body at temp 2880K.energy of radiation emmited by object with wavelength b/w 499nm and 500nm is U1, b/w 999nm and 1000nm is U2,b/w 1499nm and 1500 nm is U3.Then
a)U1=0
b)U3=0
c)U1>U2
d)U2>U1
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3 Answers
1λT= CONSTANT.....................(1) =2.89*10-3 E =κT4......................(2)
SUBSTITUTING THE VALUS FOR T.
U1>U2
. ANS: C
I HOPE I AM RIGHT