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Question
Physics
If the Q value of a nuclear reaction where a nucleus with mass number 230 initially at rest emits an α particle is 6.5MeV , the kinetic energy of the α particle is (x/100)MeV . Find x .
Q. If the
Q
value of a nuclear reaction where a nucleus with mass number
230
initially at rest emits an
α
particle is
6.5
M
e
V
, the kinetic energy of the
α
particle is
100
x
M
e
V
. Find
x
.
125
158
NTA Abhyas
NTA Abhyas 2022
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Answer:
639
Solution:
K
α
=
A
(
A
−
4
)
Q
Here,
A
=
230
,
Q
=
6.5
M
e
V
K
α
=
(
230
230
−
4
)
×
6.5
M
e
V
=
(
230
226
)
×
6.5
M
e
V
=
100
639
M
e
V