Advertisements
Advertisements
Question
Light travels more quickly through water than through glass.
If a ray of light passes from glass into water, which way will it bend : towards the normal or away from the normal?
Advertisements
Solution
If a ray of light passes from glass to water, it will bend away from the normal because glass is a denser medium as compared to water.
APPEARS IN
RELATED QUESTIONS
What is refraction of light?
An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.
A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.
Which phenomenon of light makes the water to appear shallower than it really is?
When a light ray passes from air into glass, what happens to its speed? Draw a diagram to show which way the ray of light bends.
Show the lateral displacement of the ray on the diagram.
When a ray of light travelling in glass enters into water obliquely:
(a) it is refracted towards the normal
(b) it is not refracted at all
(c) it goes along the normal
(d) it is refracted away from the normal
Light travels at a lower speed in water than in air.
Match the Following
| Column A | Column B |
| (a) white Light | (1) Convex mirror |
| (b) Refraction | (2) Concave mirror |
| (c) Virtual images | (3) refraction |
| (d) Real images | (4) spectrum |
| (e) Prism | (5) ray of light from glass to air |
We can see the sun even when it is little below the horizon because of ______.
Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s−1.
The laws of reflection hold true for ______.
The incident rays and refracting rays are on opposite sides of the normal.
Observe the given figure and name the following.

| Ray AB | |
| Ray NM | |
| Ray MD | |
| ∠ r |
Explain the working of a periscope.
You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
How do twinkling stars occur? (or) what is the cause of the twinkling of stars?
The bottom of swimming pool appears to be less deep than the actual one because of
When a ray of light travels normal to the given surface, then the angle of refraction is ______.
