Physics, 29.03.2021 21:10 Poohpooh6667
Pe fundul unui vas cu apa (napa= 4/3) de adancime 15 em se afla o sursa de lumina punctiforma. Determina raza cercului luminos care se observa pe suprafata apei (naer = 1).
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Pe fundul unui vas cu apa (napa= 4/3) de adancime 15 em se afla o sursa de lumina punctiforma. Deter...
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