Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion

Discussion Forum : Electromagnetic Field Theory - Section 1 (Q.No. 25)
25.
A plane electromagnetic wave travels in dielectric medium of relative permittivity 9. Relative to free space, the velocity of propagation in the dielectric is
increased by a factor of 9
increased by a factor of 3
unchanged
reduced by a factor of 1/3
Answer: Option
Explanation:

.

Discussion:
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