When an object is placed on the principa...

When an object is placed on the principal axis of a convex lens at two different positins, it produces the images with magnifications `+2` and `-4` respectively. How many times more away from the lens the image will be formed in the second position as compared to the first postion?

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When an object is placed on the principal axis of a convex lens at two different positins, it produces the images with magnifications `+2` and `-4` respectively. How many times more away from the lens the image will be formed in the second position as compared to the first postion?

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