Subject :NSO Class : Class 7
Beena obtains a blurred image of an object on a screen by using a concave mirror. In order to obtain a sharp image on the screen, she will have to shift the mirror _______.
(A) Towards the screen
(B) Away from the screen
(C) Either towards or away from the screen depending upon the position of the object
(D) To a position very far away from the screen