In a Geiger-Marsden experiment. Find the distance of closest approach to the nucleus of a…
Physics · Class 12 · CBSE — Atoms
In a Geiger-Marsden experiment. Find the distance of closest approach to the nucleus of a 7.7 MeV \(\alpha\)-particle before it comes momentarily to rest and reverses its direction. (Z for gold nucleus = 79)
- 10 fm
- 20 fm
- 30 fm
- 40 fm
Answer
(C) 30 fm
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