Q.
The ratio of contributions made by the electric field and magnetic field components to the Intensity of an em wave is
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a
C:1
b
C2:1
c
1:1
d
C:1
answer is C.
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Detailed Solution
We know that, uB=uE here uE=Average electric field energy density uB=Average magnetic field energy density Total Intensity =I=IE+IB=uEc+uBc So, IEIB=uEuB=11
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