Odpowiedzi

2009-10-11T11:56:05+02:00
F - ogniskowa
f = 1/z
f1=1/1 D = 1m
f2 = 1/2 D = 0.5m
f3 = 1/4 D= 1/4 m = 0.25 m
f4 = 1/-5D = - 1/5 m = - 0.2m
f5 = 1/-10 D = - 1/10 m = -0.1m
1 5 1