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a-particle are projected toward the nucl...

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)

Text Solution

Verified by Experts

The correct Answer is:
A
`r =(1)/(4pi epsilon_(0)(KE))rArr r alpha q_(2)`.
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