x = 5cm = 0,05m
y = 10cm = 0,1m
f = ?
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
Dane:
x=5cm=0,05m
y=10cm=0,1m
Szukane:
f=?
Obl:
1/f=1/x+1/y | *fxy
xy=fy+fx
xy=f(y+x) | /(x+y)
f=xy/x+y=0,05m*0,1m/0,05m+0,1m=0,005m²/0,15m≈0,03m
Odp: Ogniskowa tej soczewki wynosi około 0,03m.
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x = 5cm = 0,05m
y = 10cm = 0,1m
f = ?
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
Dane:
x=5cm=0,05m
y=10cm=0,1m
Szukane:
f=?
Obl:
1/f=1/x+1/y | *fxy
xy=fy+fx
xy=f(y+x) | /(x+y)
f=xy/x+y=0,05m*0,1m/0,05m+0,1m=0,005m²/0,15m≈0,03m
Odp: Ogniskowa tej soczewki wynosi około 0,03m.