Question

If ${C_1},{C_2},{C_3}$.... represent the speeds of ${n_1},{n_2},{n_3}, \ldots $ molecules, then the root mean square speed is:

Accepted Answer

${\left[ {\frac{{{n_1}C_1^2 + {n_2}C_2^2 + {n_3}C_3^2 + \ldots }}{{{n_1} + {n_2} + {n_3} + \ldots }}} \right]^{1/2}}$

Answer

${\left[ {\frac{{n_1^2C_1^2 + n_2^2C_2^2 + n_3^2C_3^2 + \ldots }}{{{n_1} + {n_2} + {n_3} + \ldots }}} \right]^{1/2}}$

Answer

$\frac{{{{\left( {{n_1}C_1^2} \right)}^{1/2}}}}{{{n_1}}} + \frac{{{{\left( {{n_2}C_2^2} \right)}^{1/2}}}}{{{n_2}}} + \frac{{{{\left( {{n_3}C_3^2} \right)}^{1/2}}}}{{{n_3}}} + \ldots $

Answer

${\left[ {\frac{{{{\left( {{n_1}{C_1} + {n_2}{C_2} + {n_3}{C_3} + \ldots } \right)}^2}}}{{\left( {{n_1} + {n_2} + {n_3} + \ldots } \right)}}} \right]^{1/2}}$

NEET UG CHEMISTRY MCQ: STATES OF MATTER

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