Problem

A

$4.0\mathrm{cm}$ behind the lens

B

$5.0\mathrm{cm}$ in front of the lens

C

$5.0\mathrm{cm}$ behind the lens

D

$8.0\mathrm{cm}$ in front of the lens

E

$8.0\mathrm{cm}$ behind the lens

F

$4.0\mathrm{cm}$ in front of the lens

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