In a displacement method using lens, we obtain two images for separation of the lens d. One image is magnified as much as the other is diminshed . If
In a displacement method using lens, we obtain two images for separation of the lens d. One image is magnified as much as the other is diminshed . If m is the magnification of one image, find the focal length of the lens.
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From above question `f=(d)/(m_(1) - m_(2))` here if `m_(1)` is taken as `m, m_(2) = (1)/(m)`,so f becomes `(md)/((m^(2)-1))`
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