Question

a-particle are projected toward the nuclei of the different metals , with the same kinetic energy . The distance of closest approach is minimum for
A. `Cu (Z=29)`
B. `Ag(Z=47)`
C. `Au(Z=79)`
D. `Pd(Z=46)`

Answer 1

Correct Answer - A
`r=(1)/(4piepsilon_(0))q_(1)q_(2)Rightarrowraq^(2)`