piseeWessic piseeWessic

11-11-2015
Physics

contestada

Which of the following is not an essential component of a laser?
a. a partially transparent mirror
c. a converging lens
b. a fully reflecting mirror
d. an active medium

Respuesta :

imafabulouskitten imafabulouskitten

11-11-2015

A converging lens is NOT an essential component of a laser.

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