__________________ in the laser occurs when photon colliding with an excited atom causes the stimulated emission of a second photon.
A)light amplification
B)attenuation
C)dispersion
D)population inversion

Question

Quizplus · Accepted Answer

Light amplification in the laser occurs when a photon colliding with an excited atom causes it to emit a second photon of the same phase, direction, and frequency, leading to an amplified light beam.

__________________ in the Laser Occurs When Photon Colliding with an Excited