Question

Please jawab no.17 pke caranya

Answer 1

1/Si = 1/F - 1/So = 1/2 - 1/3 = 3/6-2/6 = 1/6
Si = 6 cm
di blkg cermin
wish us luck buat besok

Answer 2

1/f=1/s+1/s'
1/f=jarak fokus=2
1/s=jarak benda=3
1/s'=jarak banyangan=?
1/2=1/3+1/s'
1/2-1/3=1/s'
1/6=1/s'
terus dibalik
6/1=s'
6,0 cm
kalo dibelakang sama didepan cermin entahlah aku gk ngerti, nanti aku cari