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Question: Answered & Verified by Expert
If a piece of plane glass is placed on a word with letters of different colours, then the colour of the letter which will appear to be least raised is
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Options:
  • A red
  • B green
  • C yellow
  • D violet
Solution:
1094 Upvotes Verified Answer
The correct answer is: red
Refractive index μ=real depth apparent depth


Refractive index is maximum for violet colour and minimum for red colour. Hence, letter which appears minimum raised are red.

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