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An electromagnetic wave of frequency v=3...

An electromagnetic wave of frequency `v=3.0 MHz` passes from vacuum into a dielectric medium with permittivity `epsilon=4.0`. Then

A

Wave length doubled and frequency remains unchanged

B

wave length is doubled and frequency becomes half

C

wave length is halved and frequency remains unchanged

D

wave length and frequency both remain unchanged

Text Solution

Verified by Experts

The correct Answer is:
C
`C=nlambda`
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