1.

An alpha particle was projected with 5.4 mev energy toward nucleus of cu z(29) what is the closest distance of approach.

Answer»

ANSWER :

9.6×10−15m

Solution :

Here, E=8.7MeV=8.7×1.6×10−13J

Z=29,R0=?

r0=2Ze24π∈0(E)

=9×109×2×29(1.6×10−19)28.7×1.6×10−13

r0=9.6×10−15m



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