Ray Optics and Optical Instruments - Result Question 9
9. Which of the following is not due to total internal reflection?
[2011]
(a) Working of optical fibre
(b) Difference between apparent and real depth of pond
(c) Mirage on hot summer days
(d) Brilliance of diamond
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Answer:
Correct Answer: 9. (b)
Solution:
- (b) Difference between apparent and real depth of a pond is due to the refraction of light, not due to the total internal reflection. Other three phenomena are due to the total internal reflection.
