Question

power of lens is -0.5D, then it's focal length is​

Answer 1

p = 1/f => f = (1/-0.5) = -2

Answer 2

Answer:

Hey mate! Here's your answer:

Explanation:

Power = -0.5D

1/f = -0.5

-0.5f = 1

f = 1/-0.5

f = -2 cm.

So the focal length of the lens is 2 cm, on the other side.

PLS MARK IT AS THE BRAINLIEST! :):):)