Optics Question 784
Question: A fish at a depth of 12 cm in water is viewed by an observer on the bank of a lake. To what height the image of the fish is raised.
[MP PET 2005]
Options:
A) 9 cm
B) 12 cm
C) 3.8 cm
D) 3 cm
Show Answer
Answer:
Correct Answer: D
Solution:
Apparent rise $ =d( 1-\frac{1}{ _{a}{\mu _{w}}} ) $
$ =12\times ( 1-\frac{3}{4} ) $ = 3 cm.
