October 2018 1 74 Report
Benda terletak 25 cm di depan lensa cembung. Bayangan maya benda tersebut terletak sejauh 40 cm. Kekuatan lensa tersebut adalah...

A. + 2,5 dioptri
B. + 2,0 dioptri
C. + 1,5 dioptri
D. + 0,5 dioptri
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