
Grade 12th pass10 grade science
A small girl of height 1 m can just see her image in a vertical plane mirror 4m away from her. Her eyes are 0.92 m from the floor. In order that she sees her full image in the mirror, the shortest vertical dimension of the mirror is
A. 0.5 m
B. 0.7 m
C. 0.46 m
D. 0.56 m
A small girl of height 1 m can just see her image in a vertical plane mirror 4m away from her. Her eyes are 0.92 m from the floor. In order that she sees her full image in the mirror, the shortest vertical dimension of the mirror is
A. 0.5 m
B. 0.7 m
C. 0.46 m
D. 0.56 m




