Предмет: Физика, автор: TimmyTyan

 Линзаның оптикалық күші 4дптр, фокус аралығы қандай?

Ответы

Автор ответа: Ruuі
13

Ответ:

D=4 дптр

F-?

Шешімі

F=1/D

F=1/4=0,25 м =25 см

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