Helium-Neon (HeNe) Lasers Contain a Low-Pressure Mixture of He and Ne

question 118

Multiple Choice

Helium-neon (HeNe) lasers contain a low-pressure mixture of He and Ne gases. How much greater is the root-mean-square speed of He atoms than Ne atoms in a-HeNe laser?

• A)5.0
• B)0.20
• C)2.2
• D)1.6
• E)0.45

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