Question

42. In a convex mirror, image of an object kept at a
distance of 25 cm is half of its original height. focus
of the mirror is
(a) 20 cm
(b) 15 cm
(C) 25 cm
(d) 10 cm​

Answer 1

Answer:

15cm

Explanation:

Its original height is 25 cm 25-10:15 so‚the answer is 15 cm