Q21 / 237 · NTA Abhyas (NEET) 2020 · Physics · Ray Optics

A piece of glass is placed on a paper having letters of different colours. The letters of which colour will be raised maximum is

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

Solution

The raise of an object =hactual1-1μ

For raise to be maximum, μ has to maximum

μ∝1λ

Therefore, wavelength has to be minimum.

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

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