Q44 / 237 · NTA Abhyas (NEET) 2020 · Physics · Ray Optics

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

  • Correct answer
    A
    red
  • B
    green
  • C
    yellow
  • D
    violet

Solution

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.

Hence, the correct answer is option: 'A'.

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