julien2004 julien2004
  • 12-10-2022
  • Biology
contestada

Exercice 6
On considère trois lasers A, B et C. Les lasers A et B émettent respectivement un rayonnement de longueur d'onde
dans le vide 1 064 nm et 10,6 μm et le laser C émet un rayonnement de fréquence 4,74x10¹4 Hz.
1) Pourquoi peut-on dire que les lasers émettent un rayonnement monochromatique ?
2) Calculer la longueur d'onde dans le vide du rayonnement émis par le laser C.

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