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1. |
If the gas particles are of diameter 'd', average speed 'v', number of particles per unit volume 'n', then what is the term "Πd2vt" represents? |
A. | the rate of collisions in time 't' |
B. | the time between two successive collisions on average |
C. | the volume a particle sweeps in time 't' |
D. | the average distance between two successive collisions also called the mean free path |
Answer» D. the average distance between two successive collisions also called the mean free path | |