Uji Kompetensi Bab 5, no.22

Diketahui: 

f=35 cm

S=25cm

Ditanya: PP

Jawab:

                1/F= 1/S + 1/S’

                1/35=  1/25 + 1/S’

`               1/S’= -2/175

                S’ = -87,5

                S’ = -PP

                -87,5 = -PP

                87,5 = PP

                88 = PP (C)

By: Jessica Brail / XJ - 30