An object is placed 20cm in front of a plane mirror the mirror is moved to 15 centimetre away from the object find the distance between the two positions of the image
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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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