Question

State the three observation made by the Rutherford on his Alpha particle scattering experiment

Answer 1

Answer:

The three observations made by Rutherford on his Alpha particle scattering experiment are as follows :

1)Most of the fast moving alpha particles passed straight through the gold foil.

2)Some of the alpha particles were deflected by the foil by small angles.

3)Surprisingly, one out of every 12000 particles appeared to rebound.

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Answer 2

Answer:

(1)A major fraction of the α-particles bombarded towards the gold sheet passed through it without any deflection, and hence most of the space in an atom is empty.

(2)Some of the α-particles were deflected by the gold sheet by very small angles, and hence the positive charge in an atom is not uniformly distributed. The positive charge in an atom is concentrated in a very small volume.

(3)Very few of the α-particles were deflected back, that is only a few α-particles had nearly 180o angle of deflection. So the volume occupied by the positively charged particles in an atom is very small as compared to the total volume of an atom.

Explanation:

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