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Rutherford's Alpha Scattering Experiment

The populatio...

Question

The population inversion in helium-neon laser is produced by ?

A

Photon excitation

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B

Chemical reaction

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C

Inelastic atomic collision

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D

Electron excitation

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Solution

The correct option is C Electron excitation
The population inversion He-Ne laser is created by electron excitation.

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