4. A beam of white light goes from air into quartz at an angle of incidence of 50°. What is the angle between the red (660 nm) and blue (470 nm) parts of the refracted light
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4. A beam of white light goes from air into quartz at an angle of incidence of 50°. What is the angle between the red (660 nm) and blue (470 nm) parts of the refracted light
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