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प्रश्न
When a white light ray falls on a prism, the ray at its first surface suffers ______.
पर्याय
No refraction
Only dispersion
Only deviation
Both deviation and dispersion
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उत्तर
When a white light ray falls on a prism, the ray at its first surface suffers both deviation and dispersion.
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संबंधित प्रश्न
(i) A ray of white light breaks up into its components while passing through a glass prism. Draw a ray diagram to show the path of rays.
(ii) Mark the least deviated colour in your diagram
(iii) Why do different coloured rays deviate differently in a prism?
What acts as tiny prisms in the formation of a rainbow?
What are the seven colours seen in a rainbow?
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
The speed of light in air or vacuum is
The diagram below shows the path taken by a narrow beam of yellow monochromatic light passing through an equiangular glass prism. If the yellow light is replaced by a narrow beam of white light incident at the same angle, draw another diagram to show the passage of white light through the prism and label it to show the effect of prism on the white light.
What is the cause of the dispersion of white light through a glass prism? Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in an inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.
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 ultraviolet spectrum.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
