Question

Least distance of distinct vision is 25 cm. Magnifying power of simple microscope of focal length 5 cm is [For distinct vision] –

• A. 1/5
• B. 5
• C. 1/6
• D. 6

Answer 1

Answer: (D)

6

Answer 2

M = 1 + $\frac { \mathrm { D } } { \mathrm { f } }$ = 1 + $\frac { 25 } { 5 }$ = 6