Question
Physics Question on Refraction of Light
The apparent depth of a needle lying in a water beaker is found to be 9 cm. If water is replaced by a liquid of refractive index 1.5, then the apparent depth of needle will be (μ of water is 4/3)
A
10 cm
B
9 cm
C
12 cm
D
7 cm
E
8 cm
Answer
7 cm
Explanation
Solution
The correct option is (D) : 7 cm