Question

Q7. An image formed by a lens is erect. Such an image could be formed by a
(a) convex lens provided the image is smaller than object.
(b) concave lens provided the image is smaller than object.

(c) concave lens provided the image is larger than object.
(d) concave lens provided the image is of the same size.

Answer 1

Answer:

a) Convex lens provided the image is smaller than object

Answer 2

Answer:

c is the correct one

Explanation:

BEcause the image is erect. Therefore we came to know that the image is virtual too. virtual image is formed by concave lens. nd since the image is virtual, the magnification is positive. so the answr is (c)