Question

(2. A convex mirror of focal length f forms an image which is 1/n
times the object. The distance of the object from the mirror is
Win 1f
in(n-1)​

Answer 1

Explanation:

concave lens when a person is suffering with less flashlight and that person can see long distance but cannot see far distance is called concave lens and we should prepare concave lens for this problem to see near objects clearly