Ray Optics – 9

9. The unit of Power of a lens is :

(a) centimetre 
(b) metre
(c) dioptre

(d) lux

Answer : (c)

Explanation : No answer description available for this question. Let us discuss.

Be a Part of The New & Next

MCQs fb  MCQs G+

Share the Knowledge

One comment

  1. its answer is dioptre.

Leave a Reply

Your email address will not be published. Required fields are marked *

Copy Protected by Chetan's WP-Copyprotect.