Advertisements
Advertisements
Question
Why does a ray of light bend when it travels from one medium to another?
Advertisements
Solution
The bending of light, when it passes from one medium to another, is known as refraction. It occurs due to the change in the speed of light on going from one medium to another.
APPEARS IN
RELATED QUESTIONS
What is lateral inversion? Explain by giving a suitable example.
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.
The figure given alongside shows the image of a clock as seen a plane mirror. The correct time is:
Figure
(a) 2.25
(b) 2.35
(c) 6.45
(d) 9.25
If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?
If a ray of light goes form a denser medium to a rarer medium, will it bend towards the normal or away from the normal?
A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.
Name the phenomenon due to which a swimming pool appears less deep than it really is.
A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?
In which material do you think light rays travel faster-glass or air?
A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of:
(a) 0°
(b) 45°
(c) 90°
(d) 120°
How does the light have to enter the glass:
for no refraction to happen?
Water is optically denser than glass.
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.
The speed of light varies in different media.
Explain the working of a periscope.
What is refractive index?
A ray of light starting from diamond is incident on the interface separating diamond and water. Draw a labelled ray diagram to show. the refraction of light in this case.
