What is the speed , frequency and wavelength of a light beam in glass of refractive index 1.5 if its wavelength in air is 600 nm ?
Given that speed of light in air = 3 x 108 m/s.
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Answer:
speed of light beam in glass = 2*10^8
wavelength in glass = 4*10^-7
frequency will remain unchanged ... Frequency is 5*10^14
Explanation:
μ(glass)/μ(air) = velocity in air/ velocity in glass
wavelength in glass/wavelength in air= velocity in glass/velocity in air
frequency=velocity in air/wavelength in air
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