A thin lens has a focal length of -50cm. what is the power of the lens and its nature?
Answers
Answered by
5
Power= 1/f
f should be in meters
f = -0.5 m
Power= 1÷0.5 = 2 dioptre(D)
Convex lens since f is (-)
f should be in meters
f = -0.5 m
Power= 1÷0.5 = 2 dioptre(D)
Convex lens since f is (-)
Similar questions