An object is placed in front of a convex mirror of focal length 30 cm. if the image fomedsize of the object, then the position of the image from the mirror is(1) 15 cm(3) 60 cm(2) 18 om(4) 45 cm

An object is placed at 25 cm from a convex mirror. Its image is formed 15 cm from the mirror. Find the focal length of the mirror.

An object is placed at 10 cm from a convex mirror of focal length 10 cm. Find the position of the image