Assertion (A): In alpha particle scattering experiment, very few alpha particles deflect through large angles.
Reason (R) : Protons are positively charged particles.
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Statement-II : Nucleus present inside the atom is heavy. When α-rays hit a thin foil of gold, very few α-particles are deflected back. ... Most of the particles passed straight through the foil. Reason (R) : The entire positive charge and nearly whole of the mass of an atom is concentrated in the nucleus.
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