SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An object placed 3 m from a plane mirror is shifted by 0.4 m away from the mirror. What is the new distance between the object and its image?
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6.4 m
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6.8 m
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6 m
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5.2 m
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Explanation:
Detailed explanation-1: -Distance between the object and its image =(3.4+3.4) m=6.8 m.
Detailed explanation-2: -The image and object are equidistant from the mirror. If you are 3 m in front of the mirror, your reflected image will be located 3 m behind the mirror.
Detailed explanation-3: -The image formed by a plane mirror is as far behind the mirror as the object is in front of it. Therefore, if the object is at a distance of 0.5m in front of plane mirror, then the distance between the object and image is 1.0m.
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