A) \[\frac{1}{\sqrt{2}}({{I}_{1}}+{{I}_{2}})\]
B) \[\frac{1}{\sqrt{2}}{{({{I}_{1}}+{{I}_{2}})}^{2}}\]
C) \[\frac{1}{\sqrt{2}}{{(I_{1}^{2}+I_{2}^{2})}^{1/2}}\]
D) \[\frac{1}{2}{{(I_{1}^{2}+I_{2}^{2})}^{1/2}}\]
Correct Answer: A
Solution :
Rms velocity of gas molecules is \[\frac{2\pi hc}{{{e}^{2}}}\] \[\frac{{{e}^{2}}h}{2\pi c}\] [Since, other quantities remain constant] \[\frac{{{e}^{2}}h}{2\pi h}\] \[\frac{2\pi {{e}^{2}}}{hc}\] \[{{M}_{neutron}}\] and \[{{M}_{proton}}\] But we know very well that \[{{M}_{\alpha }}\] So, \[{{10}^{-5}}\]
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