Electromagnetic Waves

Question: An electromagnetic wave of frequency $\nu = 3.0\,MHz$ passes from vacuum into a dielectric medium with permitivity $\varepsilon = 4.0$. Then



1) Wavelength is doubled and the frequency remains unchanged
2) Wavelength is doubled and frequency becomes half
3) Wavelength is halved and frequency remains unchanged
4) Wavelength and frequency both remain unchanged
Solution: Explanation: No Explanation
E-M Waves Wave Optics

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