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Sujet I-Poly de noël


AlyssaD
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  • Ancien du Bureau

Bonsoir,

Concernant le poly de noël 2017-2018 deux items du sujet I ont retenus mon attention...

QCM 12 E : (RI) "L'effet photoélectrique est dominant dans les Z faibles" compté vrai --> ce n'est pas plutôt justement dominant pour les Z élevés ?...

QCM 30E : (Optique) A propos des lentilles minces convergentes : "La distance focale objet est plus grande que la distance focale image" --> elles ne sont pas égaes ?...

Merci d'avance :wub:

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