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Physics, 24.08.2020 20:01 jtamika31

2) Power of the lens is -40, its focal length is
b) -40m c)-0.25m
a) 4m
d) -25m

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2) Power of the lens is -40, its focal length is
b) -40m c)-0.25m
a) 4m
d) -25m...

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