Question

Sebuah benda berada tegak lurus 60 cm di depan kaca spion . jika jarak titik api kaca spion 15 cm ,berapa jarak bayangan terhadap kaca spion ?

Answer 1

1/f = 1/s + 1/s'
1/15 = 1/60 + 1/s'
1/s' = 1/15 - 1/60
1/s' = 4/60 - 1/60
1/s' = 3/60
s' = 20 cm