|
(4.115) |
or,
|
(4.116) |
The most probable speed is the speed at which the largest number of molecules is moving. It is the speed which occurs most frequently. To determine vmp , the expression of 
is differentiated with respect to v and equated to zero. From equation (4.105), using β,
|
(4.117) |
or,
|
(4.118) |
or,
|
(4.119) |
The relative magnitudes of the three speeds are shown in Fig. 4.16 and their values are in the following proportions:
Fig.4.16 Relative magnitudes of vmp, 
and vrpm
|
(4.120) |
