Electromagnetic Waves and Light Properties

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Question 1 of 29

Choose the correct answer from the alternatives given.
An electromagnetic wave of frequency $\nu= 3\ MHz$ passes from vacuum into a dielectric medium with permittivity $\varepsilon= 4$. Then

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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.

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