A nucleus with number 184 initially at rest emits an a-particle. If the Q value of the reaction is 5.5 MeV, calculate the kinetic energy of the α - particle.
A nucleus with number 184 initially at rest emits an a-particle. If the Q value of the reaction is 5.5 MeV, calculate the kinetic energy of the α - particle.
Option 1 -
5.5 MeV
Option 2 -
5.38 MeV
Option 3 -
5.0 MeV
Option 4 -
0.12 MeV
-
1 Answer
-
Correct Option - 2
Detailed Solution:Using conservation of momentum
=> 180 V1 = 4V2
=> V2 = 45 V1
=
Similar Questions for you
Q = [4 *4.0026 – 15.9994] *931.5 MeV
Q = 10.2 MeV
-(1)
for B,
for B,
-(2)
The reaction is X²? → Y¹²? + Z¹²?
Binding energies per nucleon are: X=7.6 MeV, Y=8.5 MeV, Z=8.5 MeV.
Gain in binding energy (Q) = (Binding energy of products) - (Binding energy of reactants)
Q = (120 × 8.5 + 120 × 8.5) - (240 × 7.6) MeV
Q = (2 × 120 × 8.5) - (240 × 7.6) MeV = 2040 - 1824 = 216 MeV.
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