Question

. A concave lens has a focal length of 50 cm. Calculate its power.​

Answer 1

this is the solution..hope it helps to you:)

Answer 2

Answer:

Focal length of concave lens is negative

therefore f=-50 CM

in meters -0. 5 m

POWER=1/f

1/-0.5

=-2 D

Explanation:

hope it helps!!