Question

A compound microscope having f = 7 mm,
f = 20 mm and distance between the lenses is
20 cm. If image is formed at least distance of distinct
vision then magnifying power?
(1) 337 (2) 400 (3) 220 (4) 120
(please provide solution)​

Answer 1

Answer:

c is the correct option and answer..

that is 220

Answer 2

Explanation:

336 is the answer. hope it helps