Question

Tolong dijawab ya gan

Answer 1

1/f = 1/si + 1/so
1/f = 1/30+ 1/15
1/f = 3/30
1/f = 1/10
benda di geser mendekati cermin jadi jarak benda 12cm
1/f = 1/si + 1/so
1/10 = 1/si + 1/12
6/60 - 5/60 = 1/si
si = 60