An electromagnetic wave of intensity 50 Wm−2 enters in a medium of refractive index ‘n’ without any loss. The ratio of the magnitudes of electric fields, and the ratio of the magnitudes of the wave before and after entering into the medium are respectively, given by:
(a)
(b)
(c)
(d)
An electromagnetic wave of intensity 50 Wm−2 enters in a medium of refractive index ‘n’ without any loss. The ratio of the magnitudes of electric fields, and the ratio of the magnitudes of the wave before and after entering into the medium are respectively, given by:
(a)
(b)
(c)
(d)
Question ID - 50292 | SaraNextGen Answer
An electromagnetic wave of intensity 50 Wm−2 enters in a medium of refractive index ‘n’ without any loss. The ratio of the magnitudes of electric fields, and the ratio of the magnitudes of the wave before and after entering into the medium are respectively, given by:
(a)
(b)
(c)
(d)
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An electromagnetic wave of intensity 50 Wm−2 enters in a medium of refractive index ‘n’ without any loss. The ratio of the magnitudes of electric fields, and the ratio of the magnitudes of the wave before and after entering into the medium are respectively, given by: |
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(a) |
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(b) |
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(c) |
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(d) |
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1 Answer - 5876 Votes
3537
Answer Key : (b) -
Answer LinkC=
V=
[for transparent medium 
0]
∴
=intensity=
∴
C = kE2V
⇒
Similarly
