Član
- Učlanjen(a)
- 29.03.2010
- Poruka
- 24
f=40 cm
p=60 cm
d=?
d=l+p
1/f = 1/p + 1/l
1/l = 1/f - 1/p
1/l = (p - f)/(p * f)
l =(p * f)/(p - f) = 120 cm
d = 120 cm + 60 cm = 180 cm
d = 180 cm
p=60 cm
d=?
d=l+p
1/f = 1/p + 1/l
1/l = 1/f - 1/p
1/l = (p - f)/(p * f)
l =(p * f)/(p - f) = 120 cm
d = 120 cm + 60 cm = 180 cm
d = 180 cm