Question

if the magnifying power of a magnifying glass is 6, than it's focal length is (a)70cm(b)50cm(c)10cm(d)5c
​

Answer 1

Answer:

i think 50 cm...............

Answer 2

Answer:

5cm

Explanation:

M=1+D/f

6=1+25/f

6-1=25/f

5=25/f

f=25/5

f=5cm (Ans)