Optics Question 790
Question: The width of man’s face is 10cm. The distance between the eyes of the man is 4cm. Then the minimum width of plane mirror to see his fall face, is
Options:
A) 5cm
B) 4cm
C) 3cm
D) 10cm
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Min. width of plane mirror to see full face $ =\frac{D-d}{2}=\frac{10-4}{2}=3cm. $
