Question

14 poin fastt sob.. Fisika

Answer 1

Fob = 20 cm
sob = 30 cm

1/fob = 1/sob + 1/sob'
1/sob' = 1/20 - 1/30
1/sob' = 3-2/60

sob' = 60 cm

Jarak bayangan = 60 cm dari lensa.