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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.
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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’.
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संबंधित प्रश्न
In the following diagram, the path of a ray of light passing through a glass prism is shown:
In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option):
(A) X, R and T
(B) Y, Q and T
(C) X, Q and P
(D) Y, Q and P
What will happen if another similar glass prism is placed upside down behind the first prism?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
Define the term dispersion of light.
What do you understand by the term spectrum?
Write three conditions necessary to obtain a pure spectrum on a screen. Name the instrument in which the conditions stated by you are fulfilled.
Write the range of wavelength of the infrared spectrum.
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
