Question

how can we determine the focal length and power of the concave lens required to correct a myopic eye​

Answer 1

Answer:

Explanation:

we can easily determine the focal length of a lens by placing it a in front of wooden slab and we must keep it in the distance from which we can see the image easily we can easily put it in the place by adjusting after getting a sharp and clear image measure the length between the lens and the wooden slab