Physics
NULL
Medium
Question
In He-Ne laser the lasing action is produced by_______________?
A
Ne only
✓ Official correct answer
B
He-Ne both
C
Electrons of He
D
Electrons Ne
Community credibility
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A
Ne only
No member explanations yet for this option.
B
He-Ne both
No member explanations yet for this option.
C
Electrons of He
No member explanations yet for this option.
D
Electrons Ne
No member explanations yet for this option.
Explanation
In a He-Ne laser, helium atoms absorb energy from the electrical discharge and transfer it to neon atoms via collisions; the actual lasing (stimulated emission) transition occurs only in the neon atoms.
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