Which of the following is not due to total internal reflection?

Which of the following is not due to total internal reflection?
  1. Difference between apparent and real depth of a pond
  2. Mirage on hot summer days
  3. Brilliance of diamond
  4. Working of optical fibre

Solution

Real and apparent depth are explains on the basis of refraction only. The concept of TIR is not involve here.

Asked in: NEET 2011 (Screening)

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