Three discs, 
, and 
, having radii 
and 
, respectively, are coated with carbon black on their outer surfaces. The wavelengths corresponding to maximum intensity are 
, and 500 nm, respectively. The power radiated by them are 
, and 
respectively. Then
A
is maximum
B
is maximum C
is maximum
D
Text Solution
Verified by ExpertsThe correct answer is:
B
and 
constant
Hence, 
i.e., 
is maximum.
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