Question

I

4. An object is placed infront of a convex lens on the principal axis. But neither real
image on the screen nor virtual image is formed. Where would be the object is placed
on the principal axis ?​

Answer 1

Answer:

curvature

Explanation:

the object must be placed on the centre of curvature . the day of light when passed through centre of curvature retraced its path

Answer 2

Answerobject is placed at focus of the convex lens

Explanation:

If the object is in front of focal point of lens , there will be no image formed because the image will be at infinity with a magnification of infinity.