An electromagnetic wave of frequency v = 3.0MHz passes from vacuum into a dielectric medium with permitivity s = 4.0 ε0. Then
A. Wavelength is doubled and frequency becomes half
B. Wavelength is doubled and the frequency remains unchanged.
C. Wavelength and frequency both remain unchanged
D. Wavelength is halved and frequency remains unchanged.
Answer:D
An electromagnetic wave of frequency v = 3.0MHz passes from vacuum into a dielectric medium with permitivity s = 4.0 ε0. Then
A. Wavelength is doubled and frequency becomes half B. Wavelength is doubled and the frequency remains unchanged. C. Wavelength and frequency both remain unchanged D. Wavelength is halved and frequency remains unchanged.