August 2018 1 24 Report
Sebuah lilin setinggi 3cm yg sedang menyala diletakkan 20cm di depan lensa dengan jarak fokus 15 cm. perbesaran bayangan lilin yg terjadi adalah......
a. 1,5 kali
b. 2 kali
c. 3 kali
d. 4 kali

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