October 2018 1 47 Report
1.Suatu benda setinggi 5 cm diletakkan sejauh 30 cm dari cermin cekung, jika jarak fokus cermin 20 cm. Berapakah tinggi bayangannya?
2.Sebuah benda diletakkan 6 cm didepan sebuah lensa cekung yg jarak fokusnya 9 cm. Berapakah perbesaran bayangannya?
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