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Question

According to classical theory of Rutherford, atom is

A
unstable
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B
stable
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C
positive
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D
partially stable
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Solution

The correct option is B unstable
According to Rutherford's model, electrons move around the nucleus in an atom in certain circular orbits. But according to the classical theory of electrodynamics, a moving electron, will always emit energy. Thereby the electron loses energy and ultimately falls into the nucleus. Therefore Rutherford's atom is unstable.

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