1 dioptre is the power of a lens whose focal length is
(a)	2 m	(b)	1 m	(c)	3 m	(d)	1.5 m

Question ID - 153991 | SaraNextGen Top Answer

1 dioptre is the power of a lens whose focal length is
(a)	2 m	(b)	1 m	(c)	3 m	(d)	1.5 m