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Thin Lenses

33. Geometric Optics / Thin Lenses / 문제 4

문제 4

A converging lens has a focal length of $10$ $cm$ . An object is $25$ $cm$ from the lens. What is the magnification?

A

$\frac{2}{3}$

B

$- \frac{3}{2}$

C

$\frac{3}{5}$

D

$- \frac{2}{3}$