Advertisements
Advertisements
Question
What type of reflection of light takes place from a cinema screen?
Advertisements
Solution
Diffuse reflection of light takes place from a cinema screen.
APPEARS IN
RELATED QUESTIONS
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
The letter F is placed in front of a plane mirror:
- How would its image look like when seen in a plane mirror?
- What is the name of the phenomenon involved?
What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?
A boy with a mouth 5 cm wide stands 2 m away from a plane mirror. Where is his image and how wide is the image of his mouth?
Write all the capital letters of the alphabet which look the same in a plane mirror.
If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?
A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.
A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
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?
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.
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of refraction?
A small air bubble in a glass block when seen from above appears to be raised because of ______.
List in proper sequence the steps of the experiment for determining the approximate focal length of a given concave mirror by obtaining the image of a distant object.

The angle of incidence from air to glass at the point O on the hemispherical glass slab is.
The phenomenon of light passing through the object is called ______.
Light is refracted or bent while going from one medium to another because of its ______ changes.
Why a pencil partly immersed in water appears to be bent at the water surface.
When a light ray passes from a rarer medium to a denser medium, it bends:
To a crane, a fish appears 6 cm below the water surface. Taking the refractive index of water as \[\frac{4}{3}\], the real depth of the fish below the surface is:
