Question

what name is given to the distance between sperixal lens and the black paper ?
​

Answer 1

Answer:

THE DISTANCE BETWEEN THE SPHERICAL LENS AND THE BLACK PAPER IS CALLED ITS FOCAL LENGTH .

hope it helps you.......

Answer 2

Answer:

FOCAL LENGTH

THE DISTANCE BETWEEN THE SPHERICAL LENS AND THE BLACK PAPER IS CALLED ITS FOCAL LENGTH .

Explanation:

I hope my answer helps you...✌