in what 2 positions would a convex lens of power 2/15 dioptre form of an...
in what 2 positions would a convex lens of power 2/15 dioptre form of an...
in what 2 positions would a convex lens of power 2/15 dioptre form of an object on a screen 40 m from the object? what are the magnification for the image?
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