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Ray Optics: Refraction Through Prism

Q- A beam of white light is incident on a glass prism at an angle of θ = 370 with the normal to the surface. The emergent angle for red light is φr = 750 and for violet light is φv = 790.

(a) If the angle of the prism is A = 450, find the refractive index of the glass for red and violet light.

(b) What is the speed of red and violet light inside the glass.

Solution: 

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