Question

a point object is kept between the plane mirror and concave mirror facing each other the distance between the mirror is 22.5cm plane mirror is placed perpendicular to the principal axis of concave mirror of radius of curvature of concave mirror is 20 cm what should be the distance of the object from the concave mirror so that after two successive reflections the final image is formed on the object itself considered first reflection from the concave mirror ​

Answer 1

Answer:

I also dout...............