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how to find the speed of light in the glass block. See tutors like this. By using the principle of reversibility of light the angle of incidence i in air and the angle of refraction r in glass can be found.
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Refraction occurs at the interface or boundary of two media with different refractive indices. Using the angles shown in the figure determine the refractive index of the glass. Use the Snells Law equations url below.
Speed of light in glass wavelength frequency.
The refractive index of air for visible light is about 10003 so the speed of light in air is about 90 kms 56 mis slower than c. A homogeneous medium has a constant index of refraction throughout the medium and light travels along straight paths in it. What is the speed of light when it is traveling through the glass window. 1974 10 8 ms 1.
