Ответ:
4.8 дптр
Объяснение:
R1=R2=0.25 м n=1.6 D=?
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D=1/F=(n-1)*(1/R1+1/R2)=(1.6-1)*(1/0.25+1/0.25)=4.8 дптр
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Verified answer
Ответ:
4.8 дптр
Объяснение:
R1=R2=0.25 м n=1.6 D=?
===
D=1/F=(n-1)*(1/R1+1/R2)=(1.6-1)*(1/0.25+1/0.25)=4.8 дптр
==========================================