Average straight distance covered between two successive collision of molecules is called………………….

Interval between two successive cell divisions is called

The distance travelled by a molecule between two successive collisions is called as

The portion between two successive Z-line is called

The distance between any two successive nodes or antinodes is

The distance between any two successive bright bands is

According to kinetic theory of gases in an ideal gas between two successive collisions a gas molecule travles .

The resistivity of material of a wire is 2xx10^(-8) Omegam and the number of free electrons per unit volume is 9xx10^(28) per m^3 . Calculate the relaxation time which is defined as the average time interval between two successive collisions. Also calculate the mean free path of electron (distance covered by electron between two successive collisions) if the drift velocity of electrons is 1.7 xx10^(-4)m//s .

The distance between two successive particles which differ in phase by