Advertisements
Advertisements
Question
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
Advertisements
Solution
| S.No. | Wall Reflected Light | Mirror Reflected Light |
| 1 | Light rays are reflected in all directions due to the rough surface. | Light rays are reflected in one direction only due to the smooth surface. |
APPEARS IN
RELATED QUESTIONS
Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.
What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?
What is meant by 'reflection of light'?
Write all the capital letters of the alphabet which look the same in a plane mirror.
The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
What is meant by ‘refraction of light’?
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.
Due to _______ pencil looks bent in water, in the given experiment.
The speed of light varies in different media.
Numerical problems.
The speed of light in water is 2.25 × 108 ms–1. If the speed of light in vacuum is 3 × 108 ms–1, calculate the refractive index of water.
A water tank appears shallower when it is viewed from the top due to refraction.
In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.
The ray that enters the second medium after crossing the boundary is called the:
A normal is an imaginary line drawn ________ to the boundary at the point of incidence.
When a light ray passes from a rarer medium to a denser medium, it bends:
When light travels from a denser medium to a rarer medium, its speed:
According to the first law of refraction, the incident ray, the refracted ray, and the normal at the point of incidence:
Which of the following relations is called Snell's Law?
A medium with a higher refractive index is:
