A system consists of n identical particles each of mass m. The total number of interactions possible is
Answer & explanation
Correct answer: option 4
Total number of interactions = ${ }^n C_2=\frac{n(n-1)}{2}$
A system consists of n identical particles each of mass m. The total number of interactions possible is
Correct answer: option 4
Total number of interactions = ${ }^n C_2=\frac{n(n-1)}{2}$