A student complains that he is not able to read the teacher's writing on the blackboard while sitting in the last row. What eye defect is the student suffering from? How can it be corrected?
A ray of light strikes a plane mirror at an angle of incidence of , gets reflected from this plane mirror and then strikes a second plane mirror placed at right angle to the first mirror. What is the angle of reflection for the second mirror?
Rahul's height is . He stands in front of a large vertical plane mirror. If the distance of the image from Rahul is , how far is Rahul from the mirror?
