r=2f
r=120cm=1,2m
dane:
f = 60 cm
szukane:
R = ? (zwierciadła wklęsłego)
R = 2f
R = 2 * 60cm = 120cm
R = 1,2 m
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r=2f
r=120cm=1,2m
dane:
f = 60 cm
szukane:
R = ? (zwierciadła wklęsłego)
R = 2f
R = 2 * 60cm = 120cm
R = 1,2 m
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