Jawabanmu

2014-04-09T10:48:25+07:00
So = 15 cm m = 1/3 ditanya: F ? Si = so x m =15 x 1/3 =5 cm i/f = 1/si + 1/so = 1/5 + 1/15 3 + 1 / 15 f = 15 / 4 cm