October 2018 1 73 Report
Sebuah paku diletakan tegak lurus pada sumbu utama cermin cekung yang berjarak fokusny 2 cm. bila jarak paku terhadap cermin 3 cm maka jarak bayangan...
a. 6 di belakang cermin
b. 2 di belakang cermin
c. 6 di depan cermin
d. 2 di depan cermin
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