A$_{92}^{238}U$ nucleus at rest is decayed by emitting alpha particle into$_{90}^{234}{Th}$. The speeds of the alpha particle and the thorium nucleus are in the ratio.

Question

Dr. Abubacker · Accepted Answer

(d) According to conservation of momentum
$4v = 234v’$
$\frac{v}{v'} = \frac{234}{4} = \frac{58}{1}$

Q. A$_{92}^{238}U$ nucleus at rest is decayed by emitting alpha particle into$_{90}^{234}{Th}$. The speeds of the alpha particle and the thorium nucleus are in the ratio.

Explanation

Reviewed by Dr. Abubacker

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