A thin convex lens is used to form a real image of a bright point object. The aperture of the lens is small. A graph shown is obtained by plotting, a suitable parameter y against another suitable parameter x.
If f = focal length of lens.
u = the object distance
v = image distance

$(u v) \to x, (u + v) \to y$
$u + v \to x, u v \to y$
$u \to x, \frac{u}{v} \to y$
$\frac{1}{u} \to x, \frac{1}{v} \to y$

Question

A thin convex lens is used to form a real image of a bright point object. The aperture of the lens is small. A graph shown is obtained by plotting, a suitable parameter y against another suitable parameter x.
If f = focal length of lens.
u = the object distance
v = image distance

$(u v) \to x, (u + v) \to y$
$u + v \to x, u v \to y$
$u \to x, \frac{u}{v} \to y$
$\frac{1}{u} \to x, \frac{1}{v} \to y$

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