(A) the trajetory traced by an incident particle depends on the impact parameter of collision.
(R) the impact parameter is the perpendicular distance of the initial velocity vector of the incident particle from the centre of the target nucleus.
A. if both assertion and reason are true and reason is the correct explanation of assertion.
B. if both assertion and reason are true but reason is not the correct explanation of assertion.
C. if assertion is true but reason is false.
D. if both assertion and reason are false.
