Class 12th Physics Ray Optics MCQ Test

Chapter-9 Ray Optics MCQ Test

Name: Class:

1. A ray of light falls on a mirror normally. The values of the angle of incidence and angle of reflection respectively are:

A) 0°,0°

B) 90°, 0°

C) 0°, 90°

D) 90°, 90°

2. A ray of light is reflected at an angle of 15°. If the angle of incidence is doubled, then the angle of reflection will be;

A) 90°

B) 60°

C) 30°

D) 15°

3. The image of a real object formed by a plane mirror is;

A) Erect, real, and of equal size.

B) Erect, virtual, and of equal size.

C) Inverted, real and of equal size.

D) Inverted, virtual, and of equal size.

4. A plane mirror makes an angle of 30° with the horizontal. If a vertical ray strikes the mirror, find the angle between the mirror and the reflected ray.

A) 40°

B) 45°

C) 80°

D) 60°

5. If an object is placed symmetrically between two plane mirrors, inclined at an angle of 72°, then the total number of images formed is;

A) 5

B) 4

C) 2

D) Infinite

6. Two mirrors are kept inclined to each other at an angle of 60° and an object is placed between them. The total number of images formed is ______.

A) six

B) five

C) four

D) three

7. If two plane mirrors are parallel to each other, the object lying between them will have (n) number of images given by;

A) n = 0

B) n = 1

C) n = 3

D) n = ∞

8. To get three images of a single object, one should have two plane mirrors at an angle of;

A) 60°

B) 90°

C) 120°

D) 30°

9. Two plane mirrors are lying perpendicular to each other, there is a lamp in between the mirrors. Then No. of images of the lamp will be;

A) 3

B) 3

C) 5

D) 6

10. A ray is an incident at a 30° angle of incidence on the plane mirror. What will be the deviation after reflection from the mirror;

A) 120°

B) 60°

C) 30°

D) 45°

Test Results