Question

Ankit from standard 10 uses spectacles the power of the lenses in his spectacles is -0.5 D.
answer the following question
1)state the types of lenses used in his spectacles.
2)name the defect of vision Ankit is suffering from.
3)find the focal length of the lens is used in his spectacles.​

Answer 1

1.concave lens

2.short sightedness

3.2 m

Answer 2

He is suffering from myopia. He use convaxe Lin's.