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Question
What is a rainbow?
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Solution
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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RELATED QUESTIONS
After tracing the path of a ray of light through a glass prism a student marked the angle of incidence (∠i), angle of refraction (∠r) angle of emergence (∠e) and the angle of deviation (∠D) as shown in the diagram. The correctly marked angles are :
(A) ∠i and ∠r
(B) ∠i and ∠e
(C) ∠i, ∠e and ∠D
(D) ∠i, ∠r and ∠e
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
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The phenomenon of splitting of light into its component colours is ___________ .
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