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Standard X
Chemistry
Trend in Atomic Radius
ntA nuclei of...
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ntA nuclei of mass 220 amu in free state decays to emit an alpha particle.Kinetic energy of the alpha particle emitted is 5.4 MeV.The recoil energy of the daughter nucleus isn
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Q.
A nucleus of mass 218 amu in free state decays to emit an
α
particle. Kinetic energy of the
α
particle emitted is 6.7 MeV. The recoil energy (in MeV) of the daughter nucleus is:
Q.
A stationary Thorium nucleus
(
A
=
220
,
Z
=
90
)
emits an alpha particle with kinetic energy
E
α
. What is the kinetic energy of the recoiling nucleus?
Q.
A nucleus at rest undergoes
α
−
d
e
c
a
y
emitting an
α
−
p
a
r
t
i
c
l
e
of de Broglie wavelength
λ
=
5.76
×
10
−
15
m. If the mass of the daughter nucleus is 223.610 amu and that of the
α
−
p
a
r
t
i
c
l
e
is 4.002 amu, determine the total kinetic energy in the final state, Hence, obtain the mass of parent nucleus in amu.
(
1
a
m
u
=
931.470
M
e
V
c
−
2
)
Q.
A stationary
P
b
200
nucleus emits an alpha-particle with kinetic energy
K
α
. The fraction of recoil energy of the daughter nucleus to the total energy liberated is :
Q.
A nucleus of mass number 220 decays by
α
decay. The energy released in the reaction is 5 MeV. The kinetic energy of an
α
-particle is:
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