Plzz answer question no 9 by convex nucror ot focai length on
is quarter Ots the of object, 'lbe distance ot object
tort" the mirror
(a) 30 cm
(c) 00 cm
(b) 120cm
9.
10.
A convex mirror has a focal length f. A real object is placed
at a distance f in front of it from the pole, produces an
image at
(a) infinity
(c) i72
(d)2f
A concave mirror of focal length f produces an image n
times the size of the object. Ifthe image is real then the
distance of the object from the mirror, is
(b) l)/nl f
