Question

i. Write the difference.
Concave lens and Convex lens
(Note: write any 4 points)​

Answer 1

Answer:

concave lens is a converging lens

convex lens is a diverging lens

the focal length of the concave lens is negative

the focal length of the convex lens is positive

concave lens is used in the disease of eye known as nearsightedness or myopia

convex lens is used in the disease of eye known as farsightedness or hypermetropia