Question

A concave lens has focal length of 15 cm. At what distance should the

2

object from the lens be placed so that it forms an image at 10 cm from the lens?​

Answer 1

Answer:

Solution : Here, focal length of concave lens, f=-15cm. object distance, u=?, image distance, v=-10cm, magnification of lens, m=? Thus the object should be placed at a distance of 30 cm on the left side of the concave lens.

Answer 2

Answer:

Hiii..

Explanation:

Same here for physics

I hate physics