Question

If the power of convex lens is +5.0D then what is its center length......

please answer the question.​

Answer 1

Answer:

20 cm

Explanation:

. we know, power of a lens is reciprocal of its focal length. hence, focal length of convex lens should be 20cm, if power of it is 5D.

plz like and mark as brainliest answer

Answer 2

Answer:

P=1/f

5=1/f

f=1/5

f=0.2m

f= 20cm

C=2f

C=2×20

C=40cm

I HOPE IT'S HELPFUL !