Question

The focal length of the mirror is

(a) – 10 cm (b) – 15 cm (c) – 20 cm (d) – 25 cm​

Answer 1

Answer:

_15 cm gdgrhrdfyddvgffggfffgdfffg

Answer 2

d)-25

Explanation:

a)=5×2=10,b)=3×5=15,c)=4×5=20 but (d) =5×5=25 ,and (d) is correct