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प्रश्न
When a white light ray falls on a prism, the ray at its first surface suffers ______.
विकल्प
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.
APPEARS IN
संबंधित प्रश्न
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
When a beam of white light is passed through a prism, it splits to form lights of seven colours. Is it possible to recombine the lights of seven colours to obtain the white light again? Explain your answer.
Which of the following coloured light has the least speed in glass prism?
(a) violet
(b) yellow
(c) red
(d) green
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
The phenomenon of splitting of light into its component colours is ___________ .
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
