Ravi is tall and his eyes are located above the floor when he stands straight
PHYSICS · Multi-part · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
Ravi is 1.60m tall and his eyes are located 1.50m above the floor when he stands straight. He wishes to fix the smallest possible rectangular plane mirror on his cupboard door so that he can see himself completely while standing at a normal viewing distance.
(i) Calculate the minimum vertical length of the mirror that will allow Ravi to see his full image.
(ii) Determine how far above the floor the top edge of this mirror must be fixed.