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Question

When white light is passed through a triangular prism, which of the following colours will bend the least?

A
Yellow
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B
Red
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C
Green
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D
Orange
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Solution

The correct option is B Red
The sunlight(white light) splits into seven colors namely violet, indigo, blue, green, orange, and red. We usually call it as VIBGYOR.
Red will bend the least because red light has larger wavelength than the other colours (green, orange and yellow).


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