CameraIcon

SearchIcon

MyQuestionIcon

6

You visited us 6 times! Enjoying our articles? Unlock Full Access!

Propagation of Light

As shown in t...

Question

As shown in the diagram, the light ray is approaching the first mirror at an angle of 45° with the mirror surface. How many times will the ray reflect before it exits the system?

A

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Infinitely many

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 2
Incident light ray will reflect at points A and B as shown in the below diagram.

Total number of reflections = 2
Hence, the correct answer is option (2).

Suggest Corrections

thumbs-up

1

Similar questions

Q. A ray of light is approaching a set of three mirrors as shown in the diagram. The light ray is approaching the first mirror at an angle of

45^{\circ}

with the mirror surface. How many times will the ray reflect before it exits the system?

Q. Draw an accurate diagram to show how a ray of light incident on a plane mirror at an angle of 40° to the surface of the mirror is reflected from it. What is the angle between the incident ray and the reflected ray?

Q. Two plane mirrors each

14 m

long are facing each other as shown in the figure. The distance between the mirrors is

\sqrt{3} m

. A light ray is incident at the corner end of one of the mirrors at an angle of incidence

30^{\circ}

. How many times does the ray gets reflected before it reaches the other corner end of the either mirrors?

Q. Two mirrors each 1.6 m long are facing each other. The distance between the mirrors is 20 cm. A light ray is incident on one end of the mirror at an angle of incidence of

30^{\circ}

. How many times is the ray reflected before it reaches the other end?

Q. Two plane mirrors

M_{1}

M_{2}

each have length

1 m

and are separated by

1 c m

. A ray of light is incident on one end of mirror

M_{1}

45^{\circ}

. How many reflections the ray will have before going from the other end?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Laws of Reflection

PHYSICS

Watch in App

explore_more_icon

Explore more

Propagation of Light

Standard X Physics

Join BYJU'S Learning Program

CrossIcon