Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around _____________ m/sec?
Correct answer: B. 2200
- A. 1
- B. 2200
- C. 3 x 10^11
- D. 9 x 10^21
Explanation
A neutron with kinetic energy near 0.025 eV is a thermal neutron and travels at about 2,200 m/s at room temperature. The other values are either far too small or many orders of magnitude too large.
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