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when the distance between object and screen is more than 4f, we can obtain the image of the object on the screen for the two positions of the lens.in one case image is magnified.if the I 1 and I 2 be the sizes of two images,then the size of the object is?

when the distance between object and screen is more than 4f, we can obtain the image of the object on the screen for the two positions of the lens.in one case image is magnified.if the I1 and I2 be the sizes of two images,then the size of the object is?

Grade:12

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