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9 Cards in this Set

  • Front
  • Back

Loi de wien

Lambda max x T = 2.898 x 10^3 m.K

Fréquence onde électromagnétique

F= c / lambda


avec f en hz

Célérité

C= v/T

Onde progressive périodique F

F=1/T

Onde pro périodique v

V= lambda / T

Niveau sonore en dB

L= 10 log (I1/Io)



Io= 10^ -12 w/m2

Diffraction θ

θ= lambda / a


Ou


θ= L/2D

Doppler rapprochement

Fr= Fe × vonde/vonde -v

Doppler éloignement

Fr = Fe × vonde/vonde+v