Jawabanmu

2014-05-02T12:55:58+07:00
P= 1/f <dalam m
p= 100/f <dalam cm
2014-05-02T15:05:25+07:00
Kalo kaca minus : P = -1/PR(dalam meter) P = -100/PR(dalam cm) Kalo kaca plus : P = 4-1/PP(dalam meter) P = 4-100/PP(dalam cm)