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प्रश्न
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
पर्याय
True
False
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उत्तर
Rainbow is formed by dispersion of which light by water drops- True
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संबंधित प्रश्न
State the cause of dispersion of white light
What is spectrum?
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.
How does the speed of light determine the optical density of a medium?
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
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
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
State two properties of ultraviolet radiation which differ from visible light.
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
