Question

a point object is kept between a plane mirror and a concave mirror facing each other the distance between the mirror is 22.5 CM the plane mirror is placed perpendicular to the principal axis of concave mirror the radius of curvature of the 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 images form on the object itself considered the first reflection from the concave mirror ​

Answer 1

Answer:

21

Explanation:

Answer 2

Answeranation:

Just there is a simple maths calculation and the application of mirrors formula with sign and convention