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When U^238 nucleus originally at rest, decays by emitting an alpha particle having a speed υ,

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asked Mar 26, 2018 by paayal (26,720 points) ● 4 ● 6 ● 11

When U238 nucleus originally at rest, decays by emitting an alpha particle having a speed υ, the recoil speed of the residual nucleus is

(a) 4υ/238

(b) -(4υ/234)

(c) 4υ/234

(d)  -(4υ/238).

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answered Mar 26, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7

(b) : Linear momentum is conserved

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