Atomic Structure 1 Question 7
7. Rutherford’s experiment, which established the nuclear model of the atom, used a beam of
(2002, 3M)
(a) $\beta$-particles, which impinged on a metal foil and got absorbed
(b) $\gamma$-rays, which impinged on a metal foil and got scattered
(c) helium atoms, which impinged on a metal foil and got scattered
(d) helium nuclei, which impinged on a metal foil and got scattered
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Answer:
Correct Answer: 7. (b)
Solution:
- Rutherford used $\alpha$-particle $\left(\mathrm{He}^{2+}\right.$ nuclei) in his experiment.
