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Question
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
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Solution
The colour of the emergent ray will be green. A prism does not change the colour of light. It simply disperses white light into its constituent colours.
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