For the fission of heavy nucleus, neutron is more effective than the proton or a particle because
A. Neutron is heavier than α-particle.
B. Neutron is lighter than α-particle.
C. Neutron moves with a small velocity.
D. Neutron is uncharged.
Answer:D
For the fission of heavy nucleus, neutron is more effective than the proton or a particle because
A. Neutron is heavier than α-particle. B. Neutron is lighter than α-particle. C. Neutron moves with a small velocity. D. Neutron is uncharged.