berapa jarak bayangan jika s = 50 f = 20
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Pertanyaan
berapa jarak bayangan jika s = 50 f = 20
1 Jawaban
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1. Jawaban BSunShine
⇒ Dik : s = 50 dan f = 20
⇒ Dit : s' ... ?
⇒ 1/f = 1/s + 1/s'
⇒ 1/20 = 1/50 + 1/s'
⇒ 1/s' = 1/20 - 1/50
⇒ 1/s' = 5/100 - 2/100
⇒ 1/s' = 3/100 ---> 0.03
semoga membantu