An electromagnetic wave of frequency 3 MHz passes from vacuum into a dielectric medium with permittivity c = 4.0. Then

Both the wavelength and frequency remain unchanged

Wavelength is doubled and the frequency remains unchanged

Wavelength is doubled and the frequency becomes half

Wavelength is halved and the frequency remains unchanged

An electromagnetic wave of frequency 3 MHz passes from vacuum into a d

1.	An electromagnetic wave of frequency 3 MHz passes from vacuum into a dielectric medium with permittivity c = 4.0. Then
A.	Wavelength is doubled and the frequency remains unchanged
B.	Wavelength is doubled and the frequency becomes half
C.	Wavelength is halved and the frequency remains unchanged
D.	Both the wavelength and frequency remain unchanged
Answer» D. Both the wavelength and frequency remain unchanged

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An electromagnetic wave of frequency 3 MHz passes from vacuum into a dielectric medium with permittivity c = 4.0. Then

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