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Created on July 01, 2021

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1 / 10

Category: LIGHT

A ray of light strikes a plane mirror PQ at an angle of incidence of 30°, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is

45°

30°

90°

60°

2 / 10

Category: LIGHT

A man sits in an optician's chair, looking into a plane mirror which is 2 m away from him, and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be?

2meters

4.5meters

3.5meters

4meters

3 / 10

Category: LIGHT

An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is:

10cm

4cm

22cm

2cm

4 / 10

Category: LIGHT

A man stands 10 m in front of a large plane mirror. How far must he walk before he is 5m away from his image?

7.5 meters

4.8 meters

2meters

5 meters

5 / 10

Category: LIGHT

The figure given alongside shows the image of a clock as seen in a plane mirror. The correct time is:

6.45

9.25

2.35

2.25

6 / 10

Category: LIGHT

The image formed by a plane mirror is:

real, behind the mirror and of the same size as the object.

virtual, behind the mirror and of the same size as the object.

real, at the surface of the mirror and enlarged.

virtual, behind the mirror and enlarged.

7 / 10

Category: LIGHT

The image of an object formed by a plane mirror is:

Real

Virtual

Upside-down

Diminished

8 / 10

Category: LIGHT

A ray of light is incident on a plane mirror making an angle of 90° with the mirror surface. The angle of reflection for this ray of light will be :

60°

45°

90°

0°

9 / 10

Category: LIGHT

The angle between an incident ray and the plane mirror is 30°. The total angle between the incident ray and reflected ray will be:

90°

30°

60°

120°

10 / 10

Category: LIGHT

The angle of reflection is equal to the angle of incidence

Under Special Conditions

Always

Never

Sometimes

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