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Sifat bayangan saat benda di ruang 3 = nyata, terbalik, diperkecil
Semoga membantu :)
so = 90 cm
f = 15 cm
Dit : sifat bayangan
Jawab :
1/f = 1/so + 1/si
1/si = 1/f - 1/so
1/si = 1/15 - 1/90
1/si = 6/90 - 1/90
1/si = 5/90
si = 90/5 = 18 cm
Berarti, benda di ruang 3 dan bayangan di ruang 2
Jadi, sifat bayangannya nyata, terbalik dan diperkecil.