CBSE Class 10 Answered
what is the speed of slow moving neutron
Asked by pal581185 | 12 Apr, 2020, 09:27: PM
Expert Answer
Slow moving neutron is a neutron having kinetic energy less than 1 eV. The kinetic enrgy of this neutron is about 0.025 eV or 4 ×10-21 J.
K.E =1/2 x mv2
mass of neutron = 1.67 × 10-21 kg
By substituting values and solving we get,
v = 2.18 × 103 m/s or 2.18 km/s
Thus, the speed of slow moving neutron is abot 2.19 km/s
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