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12.Atoms
easy
Which one did Rutherford consider to be supported by the results of experiments in which $\alpha - $ particles were scattered by gold foil?
A
The nucleus of an atom is held together by forces which are much stronger than electrical or gravitational forces
B
The force of repulsion between an atomic nucleus and an $\alpha - $ particle varies with distance according to inverse square law.
C
$\alpha - $ particles are nuclei of Helium atoms.
D
Atoms can exist with a series of discrete energy levels
Solution
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Standard 12
Physics
