Advertisements
Advertisements
प्रश्न
The splitting of white light in to seven colors is called ______.
Advertisements
उत्तर
The splitting of white light in to seven colors is called dispersion.
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to explain the term angle of deviation.
What happens when a ray of ordinary light is passed through a triangular glass prism?
What are the seven colours seen in a rainbow?
Explain briefly, with the help of a neat labelled diagram, how white light gets dispersed by a prism. On which surface of a prism, there is both dispersion and deviation of light, and on which surface of the prism, there is only deviation of light ?
A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.
- Name the seven colours of the spectrum in order.
- Do the colours have the same width in the spectrum?
- Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?
In the following diagram, the correctly marked angles are
(A) All
(B) Only ∠i and ∠A
(C) ∠i, ∠r and ∠A
(D) ∠i, ∠A and ∠D
While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below. 
(A) I
(B) II
(C) III
(D) IV
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
State two properties of ultra-violet radiations which differ from visible light.
Draw a neat and labelled diagram for dispersion of light.
