English

A ray of light A incident from air suffers partial reflection and refraction at the boundary of water. a. Complete the diagram showing (i) the reflected ray B and (ii) the refracted ray C.

Advertisements
Advertisements

Question

A ray of light A incident from air suffers partial reflection and refraction at the boundary of water. 

  1. Complete the diagram showing (i) the reflected ray B and (ii) the refracted ray C.
  2. How are the angles of incidence i and refraction r related?
Answer in Brief
Advertisements

Solution

  1. It shows the refracted beam DC and the reflected ray DB.
  2. `sin i/sin r = μ` is the relation.
shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Refraction of Light at Plane Surfaces - EXERCISE - 4 (A) [Page 81]

APPEARS IN

Selina Concise Physics Part 2 [English] Class 10 ICSE
Chapter 4 Refraction of Light at Plane Surfaces
EXERCISE - 4 (A) | Q 21. | Page 81

RELATED QUESTIONS

  Column I Column II Column III
1 Dispersion Long-sightedness Twinkling of stars
2 Refraction Splitting of white light into component colours Convex lens
3 Hypermetropia Change in the direction of the ray of light due to change in medium Spectrum of seven colours

Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?


What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?


With the help of a labelled ray-diagram, describe how a plane mirror forms an image of a point source of light placed in front of it. State the characteristics of the image formed in a plane mirror.


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 positions of the original and final images seen in the mirror is ______.


A vertical ray of light strikes the horizontal surface of some water: 

What is the angle of refraction? 


When a ray of light travels from air to glass, it bends .......... the normal.


What is atmospheric reflection? Explain with the help of a labelled diagram that the position of a star as seen by us is not its true position. 


State whether true or false. If false, correct the statement.

The angle of deviation depends on the refractive index of the glass.


Why does a ray of light bend when it travels from one medium to another?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×