Answer:
0.50 m tall
Explanation:
To see the full height of the child the height of the mirror should be half of the height of the child
As it id given that the height of the child is 1 meter so the height of the mirror is [tex]=\frac{height\ of\ child}{2}=\frac{1}{2}=0.5m[/tex]
As it is a rule that to see the full any object the height of the mirror should be half of the height of the object