Advertisements
Advertisements
प्रश्न
If white light is used in same way what change is expected in the emergent beam?
Advertisements
उत्तर
The white light shall split into its constituent colours and a spectrum shall be formed.
APPEARS IN
संबंधित प्रश्न
Study the following figure in which a student has marked the angle of incidence (∠i), angle of refraction (∠r), angle of emergence (∠e), angle of prism (∠A) and the angle of deviation (∠D). The correctly marked angles are

(a) ∠A and ∠i
(b) ∠A, ∠i and ∠r
(c) ∠A, ∠i, ∠e and ∠D
(d) ∠A, ∠i, ∠r and ∠D
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
Which of the following coloured light has the least speed in glass prism?
(a) violet
(b) yellow
(c) red
(d) green
The speed of light in air or vacuum is
Complete the ray diagram given below to show the nature of light produced on the screen.

State two properties of ultra-violet radiations which differ from visible light.
Observe the given figure and answer the following questions.

- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.

A prism of refractive index `sqrt2` and refracting angle A produces minimum deviation δm of a ray on one face at an angle of incidence 45°, The values of A and δm are, respectively ______.
