A) size of grain
B) Bohrs radius
C) distance between atom in crystal
D) size of nucleus
Correct Answer: D
Solution :
Rutherfords a-scattering experiment proved that electrons of a few hundered MeV have de-Broglie wavelengths comparible to diameter of a nucleus. Hence, de-Broglie wavelength of thermal neutron is of the order of size of nucleus.You need to login to perform this action.
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