Question

Slow neutrons are sometimes referred to as thermal neutrons because they are :

• A. sort of heat radiations
• B. in thermal equilibrium
• C. capable of generating heat
• D. having energies similar to nuclei in thermal motion

Answer 1

The correct option is D having energies similar to nuclei in thermal motion

Neutronswhoseenergydistributionisidenticalwithor similartotheMaxwell's distributioninthe materialinwhichtheyare

found;theaveragekineticenergyofsuchneutronsatroomtemperatureisabout 0.025 eV which is equal to kT.