Assume a person is standing in fornt of a planr mirror. The distance between the mirror and his image is 8m. If the person moves 1.5m towards the plane mirror. Then what would be the distance between the person and his image? And what would be the distance between the person and his mirror?
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Answer:
The distance between the person and his image would be 8 m.
Explanation:
In plane mirror, object distance and image distance are equal.
That is, v = u
v is the distance of image from mirror.
u is the distance of object from mirror.
Given v =6 m so u = 6 m.
Therefore, total distance between object and image = v + u = 12 m.
Now as per question, person moves 2 m towards mirror, then,
v = u = 6 - 2= 4 m.
Thus, distance between the person and his image would be, 4 +4 = 8 m.
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