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Question
Explain the bending of a ray of light when it travels from the normal to the junction of the two media.
Explain
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Solution
When a ray of light falls normally (at an angle of incidence i = 0°) on the boundary separating the two media, it does not bend and passes straight without any deviation. Here, the angle of refraction is also zero (r = 0°).
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Chapter 4: Refraction of Light at Plane Surfaces - Intex Question [Page 84]
