Question

what is meant by van der waals force

Answer 1

vander wall forces is the distance dependence interaction between atoms and molecules which are not able to make bond with each other.

Answer 2

Hey here is your answer,

Van der Waals forces' is a general term used to define the attraction of intermolecular forces between molecules. There are two kinds of Van der Waals forces: weak London Dispersion Forces and stronger dipole-dipole forces.

hope it helps u ^-^