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प्रश्न
The seven colours in the spectrum of sunlight in order, are represented as :
विकल्प
VIBGYOR
VIGYBOR
BIVGYOR
RYOBIVG
उत्तर
VIBGYOR
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संबंधित प्रश्न
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
Explain the cause of dispersion of white light through a prism.
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.
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
Draw a labelled diagram: Dispersion of light through a prism.
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.
Write an Explanation.
Critical angle
Draw a neat and labelled diagram for dispersion of light.
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
