Question

$\underline\mathcal\purple{define \: collision \: frequency \: for \: solid \: and \: liquid\: } \\ dont \: copy \: from \: google \: answer \: in \: simplest \\ \: word \: u \: can. \: answer \: in \: points \: to \: get \: brainlist.$
$\fbox\pink{good \: night.}$
​

Answer 1

Collision frequency is defined as the number of collision per unit time

Hop this will help you

Answer 2

collision frequency is defined as the number of collision per unit time

OR THIS IS MY OWN ANSWER

Collision frequency describes the rate of collisions between two atomic or molecular species in a given volume, per unit time

hope this helped you please mark my answer as brainlist...plzzzzzzz

i I want only want to become expert please .....