A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance between him and his new image is?
A
3m
B
5m
C
6m
D
10m
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Objects distance (u) = image distance (v)
object distance = 3m
|uv| = 3 + 3 = 6m
Source: WAEC / JAMB / NECO Classroom Archive (Record #60812)