A beam of `alpha` - particle is incident on a gold foil . Corresponding to the incident beams A , B and C , the emergent beams A' , B' and C' . The transmission and deflection of `alpha` - particles through the foil take place such that

Options

A. the number of `alpha` - particle in A' is maximum and in B' minimum
B. the number of `alpha` - particle in A' is maximum and in C' maximum
C. the number of `alpha` - particle in A' is maximum and in C' is the same .
D. the number of `alpha` - particle in B' is maximum and in C' maximum

Answer

A