CBSE Class 9 Answered
Explain alpaha scaterring experment?Write rutherford's obsevation and drawbacks.
Asked by | 28 Feb, 2008, 09:38: PM
Expert Answer
A model of the atom was described by the British physicist Ernest Rutherford in 1911, and is known as the Solar System model.
1. Inherent Instability of the Atom
According to Rutherford's theory, electrons could orbit the nucleus at any distance. When the electrons circle round the nucleus, they are constantly changing their direction. According to classical electrodynamics (which deals with the motion of electrons), such electrons which either constantly change their direction or their velocity or both should continuously emit radiation. While doing so, they should lose energy, and thus spiral into the nucleus. This means every atom is unstable, quite contrary to our observation
Answered by | 20 Dec, 2017, 04:35: PM
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