Questions
If RMS velocity of gas molecules increases,
a
Area under dNdu versus u graph increases
b
Area under dNdu versus u graph decreases
c
Number of molecules between given velocities u and u+du increases
d
Number of molecules between given velocities u and u+du may increase or may decrease
detailed solution
Correct option is D
Area under dNdu versus u graph gives total number of molecules of the gas, which is constant.When temperature is increased, RMS velocity of molecules increases. dNdu versus u graph reduces in height and flattens out as shown. For some differential range of velocities, number of molecules decreases, and for some others, number of molecules increases.Talk to our academic expert!
Similar Questions
A hypothetical gas sample has its molecular speed distribution graph as shown in the figure. Speed u and have appropriate limits. The root mean square speed of the molecules is . Find N. (Do not worry about units).
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