Question

The average kinetic energy of the thermal neutrons is of the order of(a) 0.03 eV(b) 3 eV(c) 3 KeV(d) 3 MeV

Answer 1

hey.......
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Thermal Neutrons, any free neutrons ( one that is not bound within an atomic nucleus ) that has an average energy of motion ( kinetic energy ) corresponding to the average energy of the particle of the ambient material .
Average kinetic energy = KT = 0.03 eV.
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hence option A is correct answer.
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i hope this helps u.
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