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प्रश्न
The splitting up of white light into seven colours on passing through a glass prism is called:
(a) refraction
(b) deflection
(c) dispersion
(d) scattering
उत्तर
dispersion
The splitting of white light into seven colours on passing through a glass prism is called dispersion.
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संबंधित प्रश्न
Draw a ray diagram to show the dispersion of white light.
What happens when a ray of ordinary light is passed through a triangular glass prism?
The colour of white light which suffers the maximum bending (or maximum refraction) on passing through a glass prism is:
(a) yellow
(b) orange
(c) red
(d) violet
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
State two uses of ultraviolet radiation.
Write the range of wavelength of the ultraviolet spectrum.
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?
What is a rainbow?
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are: