Final answer:
The intermolecular forces between Br2 and CCl4 are dispersion forces. They arise due to temporary fluctuations in electron distribution, creating temporary dipoles in the molecules.
EXPLANATION:
The intermolecular forces that exist between Br2 and CCl4 are Dispersion forces, also known as London forces, are the weakest type of intermolecular forces and occur between all molecules, whether they are polar or nonpolar.
They arise due to temporary fluctuations in electron distribution, creating temporary dipoles in the molecules.