Question

An object is kept on the principal axis of a concave mirror of focal length 10 cm. at a distance of 15
cm from its pole. The image formed by the mirror is:

(a) Virtual and magnified

(b) Virtual and diminished

(c) Real and magnified

(d) Real and diminished

Answer 1

Real and magnified

`1/u + 1/v =1/f`

u = -15, f = -10

`:. v = -30`