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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Solution

(a) Concave mirror as well as convex lens

Concave mirror as well as convex lens can make a parallel beam of light when light from a point source is incident on it.

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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

(a) Concave mirror as well as convex lens Concave mirror as well as convex lens can make a parallel beam of light when light from a point source is incident on it.

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

(a) Concave mirror as well as convex lens

Concave mirror as well as convex lens can make a parallel beam of light when light from a point source is incident on it.