1.

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.

A. 4 μm
B. 3 μm
C. 2 μm
D. 1 μm
Answer» D. 1 μm


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