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lentille mince convergente

ilhamoxiciIline

By ilhamoxiciIline
in Physique

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ilhamoxiciIline

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Salut,

qqsv.png

je comprends ni pourquoi la b est vrai (on nous dit que c'est une lentille convergente) ni pourquoi la d est fausse, je vois pas dans quel cas on pourrait avoir un faisceau émergent moins convergent qu'un faisceau incident

Si qqn pouvait m'éclairer :)

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