Question

if magnifying power of simple microscope is 6, the focal length of the lens used is
a.6
b.5
c.25
d.-5​

Answer 1

Answer:

Correct option is

A

0.05

As we know,

m = 1 + f/D ⇒ 6 = 1 + f/25 ⇒ f=5 cm =0.05 m