Assertion (A): The impact parameter for scattering of α-particles by 180° is zero.
Reason (R): Zero impact parameter means that the α-particles tend to hit the center of the nucleus.
1
Both A and R are true and R is a correct explanation for A
2
Both A and R are true but R is not a correct explanation for A
3
A is true, R is false
4
A is false, R is true