PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 2
1.P obj = 55 D -> fob = 100/55 cm sob = 2cm, 1/sob + 1/so’ob = 1/fob -> Dapet nilai s’ob = .... M = s’ob/sob x (sn/fok) , fok = 100/20 = 5 M = (20/2) x (25/5) = 10 x 5 = 50 2. P = 1/f -> f = 10 cm. Titik deket = s’, karena lup bayangan maya, jadi s’ nilai negatif, s’ = -30 c