A convex lens has a focal length of 30 cm. Calculate its power....solve my dear frnds.. - Brainly.in
Focal length - Wikipedia
The power of lens is 2 D (Dioptre) then find its focal length .
How is the power of a lens related to its focal length?
Answer the following question. What is focal power of a spherical mirror or a lens? What may be the reason for using P = 1f as its expression? - Physics | Shaalaa.com
Power of a lens - Definition, Unit (Diopter), Formula - Teachoo
Power of a lens - Definition, Unit (Diopter), Formula - Teachoo
Power Of A Lens, Ray Optics, And Other Optics Formula
Power of Combination of Lenses (GA_M-RFR23) - YouTube
The power of a combination of two lenses X and Y is 5 D. If the focal length of lens X be 15 cm: - YouTube