Une lentille mince convergente a une vergente C= 20,0 donnée : vergence : C 1/f' avec f' en m
Calculer sa distance focale f' et donner le résultat en cm

In a system, when potential energy decreases, then entropy also decreases. true false

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Which is the most accurate name for the ionic compound cas?