When light travels from an optically rare medium to an optically denser medium, the velocity decreases because of change in

Options :
  1. wavelength
  2. frequency
  3. amplitude
  4. phase

Answer and Explanation :-

Answer: Option 1


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Oh, something is there, waiting for me. Perhaps someday the revelation will burst in upon me and I will see the other side of this monumental grotesque joke. And then I'll laugh. And then I'll know what life is.
-Sylvia Plath The Unabridged Journals of Sylvia Plath