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Acids, Bases and Salts
(i) When light falls on a highly polished surface like mirror, reflection occurs.
(ii) Refraction of light occurs when light falls on a transparent medium like glass or water. When there is diffrence in the density of the medium, a ray tends to bend towards or away from the normal at the interface of media.
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Define the following terms in connection with reflection of light:
Incident ray, reflected ray, point of incidence, normal, angle of incidence and angle of reflection.
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