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Physics Made Simple: Power Of A Lens - Blogger

MEREK : power 4d

Physics Made Simple: Power Of A Lens - Blogger

power 4dAnswer:the power of a convex lens is always positive. as you can see here the power is +4D, therefore the nature of the lens is that it is a convex lens. we know, P = 1f. alsoPower 4D . 4D-BIMBIM

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