Question

iv.
A concave mirror of curvature 40 cm,
used for shaving purpose produces image
of double size as that of the object. Object
distance must be
(A) 10 cm only
(B) 20 cm only
(C) 30 cm only
(D) 10 cm or 30 cm​

Answer 1

Answer:

The answer will be (B)20cm only