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Refractive index of glass is 1.5. Find the wavelength of a beam of light with a frequency of 1014 Hz in glass. Assume velocity of light is 3 x 108 m/sec in vacuum.

4 μm
3 μm
2 μm
1 μm

Correct Answer: 2 μm

Explanation:

Given, μ = 1.6, f = 10¹⁴ Hz, v = 3 x 10⁸ m/sec.

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