Question

A boy of length 10m,
to see his own complete
image, requires a mirror of length at least
equal to :
[ ]
(A) 10m
(B)5m
(c)3.33
(d)2cm​

Answer 1

Answer:

B)5m this is correct answer

Step-by-step explanation:

Taking the distance AC as X , we get the length of CE as H−X . Hence option (C) 102=5m is the correct answer. This minimum length of the mirror required to see the entire body is regardless of the distance between the mirror and the object