answer the question define refraction through a glass slab who answers will be marked has brainliest
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Refraction through a rectangular glass slab and principle of reversibility of light: On entering the glass slab, it bends towards normal and travels along EF at an angle of refraction r. ... The refracted ray EF is incident on face SR at an angle of incidence r'
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yah I too don't know I have searched in Google but can't find appropriate answer!!!
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