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

  • Difference between apparent and real depth of a pond

  • Mirage on hot summer days

  • Brilliance of diamond

  • Working of optical fibre

Answer

A.

Difference between apparent and real depth of a pond

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

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Some More Questions From Wave Optics Chapter

What is the shape of the wavefront in each of the following cases:
The portion of the wavefront of light from a distant star intercepted by the Earth. 

Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?