Question
₈₀Hg²⁰⁸ nucleus is bombarded by α -particles with velocity 10⁷ m/s. If the α-particle is approaching the Hg nucleus head-on then the distance of closest approach will be
Options :
1.115 x 10⁻¹³
11.15 X 10⁻¹³
111.5 X 10⁻¹³m
Zero
Answer :
1.115 x 10⁻¹³
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