Question

What does the scattering of alpha particles at large angles reflex​

Answer 1

Answer:

We knows that an electron is very light particle as compared to an α− particle. Hence electron cannot scatter the α− particle at large angles, according to law of conservation of momentum.On the other hand, mass of nucleus is comparable with the mass of α− particle, hence only the nucleus of atom is responsible for scattering of α− particles.

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