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ho = 2 cm
so = 5 cm
f = 4 cm
Dit :
a. Si
b. hi
c. sifat bayangan
Jawab :
a. 1/f = 1/so + 1/si
1/si = 1/f - 1/so
1/si = 1/4 - 1/5
1/si = 5/20 - 4/20
1/si = 1/20
si = 20 cm
b. M = si/so = 20/5 = 4
hi = M . ho
hi = 4 . 2
hi = 8 cm
c. Sifat bayangannya = nyata, terbalik, dan diperbesar