1.

According to Maxwell distribution, the area under the curve is equal to the total number of molecules in collision. On increasing temperature, fraction of molecules having speed equal to u_(mp) .(most probable speed) decreases. The speed distribution also depends on the mass of the molecules along with the temperature. In general, the distribution depends upon the value of M/T (where M is molar mass and Tis temperature in kelvin).  If at T_1 K is u, then value of u_(rms) at T_2 is

Answer»

`3sqrt((T_2)/(T_1)) U`
`SQRT((3T_2)/(2T_1)) u`
`sqrt((T_2)/(T_1)) u`
`2sqrt((T_2)/(T_1)) u`

Solution :`((U_(MP))T_2)/((U_(rms))T_2) = (sqrt((2RT_1)/(M)))/(sqrt((3RT_2)/(M))) , (U_(rms))_(T_2) = U XX sqrt((3T_2)/(2T_1))`.


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