Q42 please reply fast 42 An object is placed 18 cm away from a concave 49
mirror whose focal length is 10 cm. Then the
size of area of the image if the object be 4 mm
broad and 12 mm long is O o —
(a) 0.75 cm2
(c) 1.5 cm2
(b) 2 cm2
(d) 0.5 cm2
. An object is ata distance of 10 cm from a mirror
m the obiect is at a distance of
