subject
Chemistry, 16.02.2021 22:50 dlatricewilcoxp0tsdw

Compléter les
phrases
ci
-
dessous
avec
toutes
les
lampes
de
la
salle
sont
éteintes
,
alors
il
n'y
a
pas
de
5
2.2
.
Un
écran
blanc
peut
éclairer
un
objet
2) Utiliser des liens logiques
car, donc ou si:
u.
2.1.
on ne voit rien.
lumière
on le place correctement
il diffuse une partie de la
lumière qu'il reçoit.
2.3. Un écran noir n'est pas une source
secondaire
de lumière
servir à éclairer un objet.
il ne diffuse pas
il ne peut pas
Réponse B
Réponse C
écran
diffusant

ansver
Answers: 3

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