1.
dane:
f = 0,2 m
szukane:
R = ?
R = f/2 = 0,2m/2
R = 0,1 m
========
Odp. d) 0,1 m
2.
Z = +5 D
f = ?
f = 1/Z
f = 1/5 m
f = 0,2 m = 20 cm
===============
Odp. a) 20 cm
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1.
dane:
f = 0,2 m
szukane:
R = ?
R = f/2 = 0,2m/2
R = 0,1 m
========
Odp. d) 0,1 m
2.
dane:
Z = +5 D
szukane:
f = ?
f = 1/Z
f = 1/5 m
f = 0,2 m = 20 cm
===============
Odp. a) 20 cm