Physics, 20.07.2019 05:00 castroarlety

Abeam of light traveling in air strikes a slab of transparent material. the incident beam makes an angle of 40° with the normal, and the refracted beam make an angle of 26° with the normal. what is the speed of light in the transparent material? (c = 3.0 × 108 m/s)

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Abeam of light traveling in air strikes a slab of transparent material. the incident beam makes an a...