Miroir Concave - Objet Reel

On place devant un miroir un objet AB à la position algébrique SA ¯ = -4 cm. On obtient une image A'B' dont vous devez étudier les caractéristiques.

1- Compléter le tracé du rayon bleu issu de B et passant par le sommet S :

+🔍 = 🔎-

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