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Acids, Bases and Salts
A convex lens, converges the light rays of a parallel beam to a particular point after refraction through the lens. Hence, a convex lens is called a converging lens.
A concave lens diverges the light rays of a parallel beam after refraction through it. Hence a concave lens is also called a diverging lens.
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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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