Cours : Applications de la propagation rectiligne de la lumière/2AC

Y-Physics

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I- La chambre noire

1) Définition: La chambre noire est une boîte opaque dont une face est translucide (papier calque) qui joue le rôle d’un écran et dont la face opposée est percée d'un petit trou appelé sténopé.

2) Image d’un objet par une chambre noire

II-Les ombres

1) Cas d’une source lumineuse ponctuelle

2) Cas d’une source lumineuse étendue

III-Les éclipses

1) Eclipse de lune

2) Eclipse de soleil cliquez ici👇

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