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Question
Name the colour of white light which is deviated the least, on passing through a prism.
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Solution
The correct option is A Red
Red light has the minimum refractive index and maximum speed when travelling through a medium since it has the longest wavelength. Thus, it bends least upon incidence and has minimum deviation for the incident ray.
Red light has the minimum refractive index and maximum speed when travelling through a medium since it has the longest wavelength. Thus, it bends least upon incidence and has minimum deviation for the incident ray.
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