An electromagnetic wave of frequency µ = 3 MHz passes from vacuum into a dielectric…
Physics · NEET · NTA Exams — Electromagnetic Waves
An electromagnetic wave of frequency µ = 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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