Question

A thin convergent glass lens (μg = 1.5) has a power of
+ 5.0 D. When this lens is immersed in a liquid of refractive
index μ, it acts as a divergent lens of focal length 100 cm.
The value of m must be
(a) 4/3 (b) 5/3 (c) 5/4 (d) 6/5

Answer 1

Explanation:

c)5/4 is the correct Answer .