Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around _____________ m/sec?
A. 1
B. 2200
C. 3 × 1011
D. 9 × 1021
Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around _____________ m/sec?