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Curs 4 fizica sem 2 - Cadre Didactice

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distanţele focale ale lentilelor: pentru p1 = , rezultă p2 = f2 şi<br />

deci:<br />

f 2 =<br />

n2<br />

Analog,<br />

f= 1<br />

n2<br />

1<br />

1 1 <br />

1 <br />

n R R<br />

1 1 2 <br />

1<br />

1 1 <br />

1 <br />

n R R<br />

1 1 2 <br />

din care se observă că f 1 = f 2 = f.

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