An electromagnetic wave of frequency u = 3 MHz passes from vacuum into a dielectric…
Physics · Class 12 · CBSE — Electromagnetic Waves
An electromagnetic wave of frequency u = 3 MHz passes from vacuum into a dielectric medium with permittivity e = 4. Then
- wavelength and frequency both become half.
- wavelength is doubled and frequency remains unchanged.
- wavelength and frequency both remain unchanged.
- wavelength is halved and frequency remains unchanged.
Answer
(D) wavelength is halved and frequency remains unchanged.
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