Question

Yesh find out F1 and F2 of symmetric convex lens experimentally then which

conclusion is true.

a) 1 = 2 ` b) 1 > 2 c) 1 < 2 d) 1 ≠ 2​

Answer 1

a) 1=2 is the correct answer

Answer 2

a) 1 = 2 is the correct answer.

F1 and F2 of symmetric convex lens are symmetric, all angles would be same so 1=2.

F1 and F2 of symmetric convex lens are divided into 2 equal parts so F1=F2 so that it mainly have the equal focal length.

When the F1 is greater than f2, image will be farther away from the optic center.