A man stand 10m in front of a large plane mirror . How far he walk before he is 5m away from his image?
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distance of the image from the mirror = distance of the object from the mirror.
total distance of the object from the image = 10m + 10m =20m
A/q
20 - x = 5
x = 20 - 5
x = 15
he has to walk 15m towards the mirror.
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hi yuvina , kaisi. ho ,. reply me in my. question
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