Advertisements
Advertisements
प्रश्न
Draw a ray diagram showing the lateral displacement of a ray of light when it passes through a parallel sided glass slab.
Advertisements
उत्तर

APPEARS IN
संबंधित प्रश्न
Explain how the formation of a rainbow occurs.
Draw the diagram given below and clearly show the path taken by the emergent ray.

A student traces the path of a ray of white light through a rectangular glass slab and marks, the angles of incidence (∠i) , refraction (∠r) and emergence (∠e) as shown. Which angle or angles has he not marked correctly?

(A) ∠i only
(B) ∠i and ∠r
(C) ∠i and ∠e
(D) ∠r and ∠e
Make the correct for each of the following :
With reference to the fig, the refractive index of the glass block is

Explain briefly what causes the twinkling of stars at night.
What is the total reflecting prism?
The speed of light in air is 3 × 108 ms-1. Calculate the speed of light in water. The refractive index of water is 4/3.
A glass block is having refractive index 3/2, the light ray is incident at an angle 45°. Find the sine of the angle of, refraction inside the glass block.
Which colour of white light travels fastest in any medium except air?
