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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Q. Which of the following can make a parallel beam of light when light from a bulb falls on it?

(a) concave mirror as well as concave lens
(b) convex mirror as well as convex lens
(c) concave mirror as well as convex lens
(d) convex mirror as well as concave lens

Which of the following can make a parallel beam (a) concave mirror as well as concave lens (b) convex mirror as well as convex lens (c) concave mirror as well as convex lens (d) convex mirror as well as concave lens

Q. Question 19
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?

(a) Concave mirror only
(b) Convex mirror only
(c) Convex lens only
(d) Concave mirror, convex mirror, concave lens and convex lens

Question 7

You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from

(a) both concave lens and convex lens.

(b) both concave mirror and convex mirror.

(d) Both convex mirror and concave lens.

Question 4

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either

(a) concave mirror or convex mirror.

(b) concave mirror or convex lens.

(d) concave lens or convex lens.

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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

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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