Q no 9 
 

Asked by Varsneya Srinivas | 24th Dec, 2017, 11:43: AM

Expert Answer:

A 10 D lens is used as a magnifier.
So focal length would be 1 / power =  0.1 m
Object should be placed within the distance 0.1 m

Answered by Gajendra | 27th Dec, 2017, 03:02: PM