1.

A spherical mirror produces an image of magnification -1 on a screen placed at a distance of 50 cm from the mirror.1. What type of image is formed?a. Realb. Virtual2. What type of mirror is used?a. Convex mirrorb. Concave mirrorc. Plane mirrord. None of these3. Find the distance of the image from the object?a. 50 cmb. 0 cmc. 150 cmd. None of these4. What is the focal length of the mirror?a. -25b. 25c. 35d. - 355. The mirror having reflecting surface curved inwards.a. Plane mirrorb. Convex mirrorc. Cylinderical mirrord. Concave mirror

Answer»

1. a. Real

2. b. Concave mirror

3. b. 0 cm

4. a. -25

5. d. Concave mirror



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