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Question 1Which of the following can make a parallel beam of light when light from a point source is incident on it?(a) Concave mirror as well as convex lens(b) Convex mirror as well as concave lens(c) Two plane mirrors placed at 90° to each other(d) Concave mirror as well as concave lens

Answer» Question 1

Which of the following can make a parallel beam of light when light from a point source is incident on it?




(a) Concave mirror as well as convex lens

(b) Convex mirror as well as concave lens

(c) Two plane mirrors placed at 90° to each other

(d) Concave mirror as well as concave lens


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