October 2018 1 23 Report
1. Sebuah lensa dg tinggi 10cm berada di dpn lensa cekung dg jarak 30cm. Jika jarak fokus lensa 20cm. Perbesaran bayangan...?

2.sebuah benda diletakkan PD jarak 15cm di dpn lensa cekung yg jarak fokusnyav10cm. Bayangan yg terbentuk terletak PD jarak ?
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