Question

when can we get image of same size as object while using convex lens​

Answer 1

Answer:

Same size of image is formed by a convex lens only when the object is placed at a distance u=2f from the optical center and image is also formed at distance 2f on other side of lens.

Explanation:

⟹2f=50

⟹f=25cm

P=

f(m)

1

=

0.25

1

⟹P=+4D

Answer 2

Explanation:

Same size of image is formed by a convex lens only when the object is placed at a distance u=2f from the optical center and image is also formed at distance 2f on other side of lens.

Hope this answer helps you!!!!