An object is placed at the following distances from a concave mirror of focal length 15 cm. (a) 10 cm (b) 20 cm © 30 cm (d) 40 cm Which position of the object will produce :
(1) Virtual image
(2) A diminished real image
(3) An enlarged real image
(4) An image of same size.
(1) 10 cm
(2) 40 cm
(3) 20 cm
(4) 30 cm