Solve qus no. 50
Q.50. A convex lens of focal length 30 cm forms an image of height 2 cm for an object situated at infinity. If a concave lens of focal length 20 cm is placed coaxially at a distance of 26 cm in front of convex lens, then size of final image would be
(a) 1.5 cm
(b) 2 cm
(c) 2.5 cm
(d) 4 cm