Question

(ख) एक अवतल लेंस की फोकस दूरी 5 m है, तो इसकी क्षमता
क्या होगी?
() ().2D (ii) - (0.2 D
(iii) 2.0D (iv) 5.0D​

Answer 1

Answer:

- 0.2

I think so

if correct like and follow

Answer 2

Power of a lens = 1/focal length

P = 1/5

P = 0.2 D