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प्रश्न
If white light is used in same way what change is expected in the emergent beam?
उत्तर
The white light shall split into its constituent colours and a spectrum shall be formed.
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संबंधित प्रश्न
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
How could you show that the colours of the spectrum combine to give white light?
Name the process which is involved in the formation of a rainbow.
The speed of light in air or vacuum is
A ray of light moving from an optically rarer to a denser medium
In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
(A) is parallel to the incident ray
(B) perpendicular to the incident ray
(C) is parallel to the refracted ray
(D) bends at an angle to the direction of incident ray
Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) Write three characteristics of the image.
How can the presence of ultraviolet radiation be detected?
Write the range of wavelength of the visible spectrum.
Draw a neat and labelled diagram for dispersion of light.
