Question

Maximum magnification produced by simple micro-scope of focal length $f=5cm$ is

• A. 5
• B. 7
• C. 6
• D. 8

Answer 1

Answer: (C)

Maximum magnification is when final image is at near point $D$.
$m=1+\frac{D}{f}=1+\frac{25}{5}$
$[D=25cm]$
$=6$