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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
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
(i) Write the name and cause of the phenomenon observed.
(ii) Where else in nature is this phenomenon observed?
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(a) violet
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