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?
- 3m
- 5m
-
6m
- 10m
The correct answer is: C
Explanation
Objects distance (u) = image distance (v)
object distance = 3m
|uv| = 3 + 3 = 6m
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