(A) : Collision between two particles is not necessarily associated with physical contact between them
(R): Only in physical contact, momentum transfer takes place

Options

A. Both (A) and (R ) are true and (R ) is the correct explanation of (A)
B. Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
C. (A) is true but (R ) is false
D. (A) is false and (R ) is false

Answer

C