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1. An object is placed 20 cm in front of a plane mirror. The mirror is moved 5 cm towards the object. The distance between the positions of the original and final images seen in the mirror is |
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Answer» ong>Explanation: An object is PLACED 20 cm in FRONT of a plane mirror then the IMAGE is formed at 20 cm behind the mirror. If the mirror is moved 2 cm toward the object. Hence, The total distance between the positions of the ORIGINAL and final image is 4 cm |
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