A 
nucleus decays by emitting an alpha particle of speed 
. The recoil speed of the residual nucleus is (in 
)
a)
b)
c)
d)
A nucleus decays by emitting an alpha particle of speed . The recoil speed of the residual nucleus is (in )
a)
b)
c)
d)
Question ID - 51026 | SaraNextGen Top Answer
A nucleus decays by emitting an alpha particle of speed . The recoil speed of the residual nucleus is (in )
a)
b)
c)
d)
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A |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
Initially 
nucleus was at rest and after decay its part moves in opposite direction
.png)
According to conservation of momentum
127 votes
Answer Link
127