Soczewka o zdolności skupiającej 25D ma ogniskową.
a)4cm
b)12.5cm
c)25cm
d)50cm
Z =25D
f =1/D
f =1/25 [m] =0,04 m
f =4cm
Odp. a) 4cm
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Z =25D
f =1/D
f =1/25 [m] =0,04 m
f =4cm
Odp. a) 4cm