3rd of March 2017

An object is moved towards a convex lens to a certain distance so that the magnification of the image changes from -2 to +2. If the focal length of the lens is 30 cm, then find the distance through which the object is moved towards the lens.

Rimjhim Tyagi - CBSE - Class X

Friday, March 03, 2017 at 17:56:PM


Hi Rimjhim,

We prefer to answer such 'in depth' queries on the platform wherein all the queries are solved elaborately.

Therefore, please post this query in 'Ask the Expert' section on our website

Thank You!

Friday, March 03, 2017 at 18:29:PM