Advertisements
Advertisements
Question
What do you understand by refraction of light?
Advertisements
Solution 1
The change in the direction of the path of light, when it passes from one transparent medium to another transparent medium, is called refraction of light.
Solution 2
In essence, the refraction of light is a surface phenomenon. "When a ray of light travels from one optical medium to another, it changes the direction of the path of light, and this is called the refraction of light."
APPEARS IN
RELATED QUESTIONS
What is refraction of light?
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
What is meant by 'reflection of light'?
The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
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 ______.
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
As light rays pass from water into glass, are they refracted towards the normal or away from the normal?
Light travels more quickly through water than through glass.
Which is optically denser : water or glass?
State two factors on which the lateral displacement of the emergent ray depends.
When a ray of light travels from air to glass, it bends .......... the normal.
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 |
Draw a diagram showing the refraction of a light ray from water to glass. Label on it the incident ray, the angle of incidence (/), and the angle of refraction (r)
We can see the sun even when it is little below the horizon because of ______.
The speed of light varies in different media.
Explain with diagrams how refraction of incident light takes place from
- rarer to denser medium
- denser to rarer medium
- normal to the surface separating the two media.
If a beam of red light and a beam of violet light are incident at the same angle on the inclined surface of a prism from air medium and produce angles of refraction r and v respectively, which of the following is correct?
When light passes from one medium to another the ray gets bent. This property of light is called ______.
In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.
