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(Solved): (a) The index of refraction for violet light in silica flint glass is \( 1.66 \), and that for red ...
(a) The index of refraction for violet light in silica flint glass is \( 1.66 \), and that for red light is \( 1.62 \). What is the angular spread (in degrees) of visible light passing through a prism of apex angle \( 60.0^{\circ} \) if the angle of incidence is \( 51.0^{\circ} \) ? See figure below. (b) What If? What is the angular spread (in degrees) of visible light passing through a prism of apex angle \( 60.0^{\circ} \) if the angle of incidence is \( 90^{\circ} \) ?