Optics Question 742
Question: A man standing in a swimming pool looks at a stone lying at the bottom. The depth of the swimming pool is h. At what distance from the surface of water is the image of the stone formed (Line of vision is normal; Refractive index of water is n)
[KCET 1994]
Options:
A) h / n
B) n / h
C) h
D) hn
Show Answer
Answer:
Correct Answer: A
Solution:
$ \mu =\frac{h}{{{h}’}} $
Therefore $ {h}’=\frac{h}{n} $
