Advertisements
Advertisements
प्रश्न
In figure AO is the ray of white light falling on a prism PQR. Complete the diagram till the light emerges out from the prism and falls on the screen.
उत्तर
Diagram is completed:
‘The white light splits up into seven colours which are seen on the screen and arrangement of colours from bottom to top is given by the word ‘VIBGYOR’.
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
Draw a ray diagram to explain the term angle of deviation.
Which is refracted most by a prism : red light or violet light? Explain why?
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
The seven colours in the spectrum of sunlight in order, are represented as :
How does the speed of light determine the optical density of a medium?
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
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?
When white light enters a glass prism from the air, the angle of deviation is least for ____________.
