– A converging lens of power 20 D is used as a simple microscope. If the distance of distinct is 25 cm. then its magnifying power will be ….
A. 2
B. 4
C. 6
D. 8
Answer:C
– A converging lens of power 20 D is used as a simple microscope. If the distance of distinct is 25 cm. then its magnifying power will be ….
A. 2 B. 4 C. 6 D. 8