(a) With the help of labelled ray diagram show the path followed by a narrow beam of monochromatic light when it passes through a glass prism.
(b) What would happen if this beam is replaced by a narrow beam of white light?
(The one answer it first will be followed by me.)
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Answer:
White light can be split up into spectrum of these colours using a prism, a triangular block of glass. ... Light is refracted when it enters the prism, and each colour is refracted by some amount. Thus the rays of each colour emerge along different paths and thus become distinct.
The path of the light followed by a narrow beam of monochromatic light when it passes through the glass prism is given below.
Explanation:
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