# Physics

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Light of wavelength 550 nm in vacuum passes through a piece of crown glass of refractive index of 1.52. Find the velocity and frequency of light in crown glass.

• Physics -

V = c/1.52 = 1.99*10^8 m/s

frequency = V/(wavelength)
= 1.99*10^8/550*10^-9
= 3.61*10^14 Hz

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