Dik s=10cm f=15cm dit=,,,,, A jarak bayangan b pembesaran

dik : s = 10 cm
f = 15 cm
dit : a) s'
b = M
jwb :
a) 1/f = 1/s + 1/s'
1/s' = 1/f - 1/s
1/s' = 1/15 - 1/10
1/s' = -1/30
s'=-30
b) M = [s'/s]
[-30/10]
[-3]

semoga dapat membantu