An object is placed at a distance of 20cm in front of a concave mirror of focal length 40cm.
(A) The object distance ₀= .... cm.
(B) The focal length of the mirror is .... cm.
(C) The distance of the image formed by the mirror, is ... cm.
(D) The magnification of the image is .... and the image formed in this case is .....



Answer :

Other Questions