Advertisements
Advertisements
प्रश्न
The refractive index of four substances A, B, C, and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in
विकल्प
A
B
C
D
Advertisements
उत्तर
A
APPEARS IN
संबंधित प्रश्न
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?
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.
Light travelling from a denser medium to a rarer medium along a normal to the boundary:
(a) is refracted towards the normal
(b) is refracted away from the normal
(c) goes along the boundary
(d) is not refracted
How does the light have to enter the glass:
to produce a large amount of bending?
Water is optically denser than glass.
State whether true or false. If false, correct the statement.
The angle of deviation depends on the refractive index of the glass.
A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.
A water tank appears shallower when it is viewed from the top due to refraction.
