Which of the following conclusions

Question:

Which of the following conclusions could not be derived from Rutherford’s

α -particle scattering experiment?

(i) Most of the space in the atom is empty.

(ii) The radius of the atom is about 10–10 m while that of a nucleus is 10–15 m.

(iii) Electrons move in a circular path of fixed energy called orbits.

(iv) Electrons and the nucleus are held together by electrostatic forces of

attraction.

Solution:

Option (iii) Electrons move in a circular path of fixed energy called orbits is the answer.

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