6. A man says 10 m in front of the large plane mirror. How far must he walk before he is 5 m away from his image?
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Answer:
As we know a plane mirror forms images of the object at the same distance behind it as it is between the object and the mirror (2.5 + 2.5 = 5 m). Therefore, the distance he should walk = 10 m – 2.5m = 7.5 m towards the mirror. Thus, the man must walk 7.5 m towards the mirror before being 5 meters away from his image.
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Explanation:
Therefore, the distance he should walk = 10 m – 2.5m = 7.5 m towards the mirror. Thus, the man must walk 7.5 m towards the mirror before being 5 meters away from his image.
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