Question

A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall

object is placed so that it forms an image at 15 cm from the lens? Also calculate the size

of the image formed.​

Answer 1

Answer:

Answer:1 Answer. object should be placed 60 cm to the left of the lens.

Answer:1 Answer. object should be placed 60 cm to the left of the lens.