Defects of Rutherford Model
Defects of Rutherford Model
Limitations of Rutherford’s Model of an Atom:
1. Rutherford had proposed that electrons revolve at high speed in circular orbits around a positively charged nucleus. But, such a model has a defect. To remain in a circular orbit the electron would have to be accelerated centripetally or radially. But, according to electromagnetic theory, if a charged body (electron) is accelerated around another charged body (nucleus) then there would be a continuous radiation of energy from the moving body. This loss of energy would slow down the speed of the electron and eventually the electron would fall into the nucleus. But, such a collapse does not occur—Rutherford’s model could not explain why.
2. Rutherford’s model could not explain the distribution of electrons in the extra nuclear portion of the atom.
Which of the following statement / statements are correct : (a) Rutherford’s model could not explain the distribution of electrons in the extra nuclear portion of the atom. (b) Rutherford’s model could not explain the distribution of protons in the extra nuclear portion of the atom. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following statement / statements are correct : (a) Rutherford had proposed that electrons revolve at high speed in circular orbits around a positively charged nucleus. (b) Rutherford used a thin layer of gold foil in his experiment. | |||
| Right Option : C | |||
| View Explanation | |||
Rutherford's model of atom could not hold good because: | |||
| Right Option : A | |||
| View Explanation |
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