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प्रश्न
What is a rainbow?
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उत्तर
A rainbow is a curving optical phenomenon of seven colours caused by the refraction, reflection, and dispersion of sunlight in water droplets. The rainbow is seen as a large area in the sky with many colors.
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संबंधित प्रश्न
Draw a ray diagram to show the dispersion of white light.
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
A beam of white light falls on a glass prism. The colour of light which undergoes the least bending on passing through the glass prism is:
(a) violet
(b) red
(c) green
(d) blue
A ray of light moving from an optically rarer to a denser medium
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
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?
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
Draw a neat and labelled diagram for dispersion of light.
The sunlight can be split into its constituent colors using ______.
The phenomena of light involved in the formation of rainbow are ______.
