The nucleus of an atom was discovered by:
Rutherford’s gold foil experiment
Based on the analysis of the experiments, Rutherford’s gold foil experiment directly led to the discovery of the atomic nucleus.
Important Questions from Rutherford’s Nuclear Model of Atom
_______ specifies the preferred orientation in the orbital space of the given energy and size.
After completing the gold foil experiment, Rutherford concluded that the size of the nucleus is very small compared to the size of the atom. This is because:
Which of the following was not observed by Rutherford using the scattering of α-rays?
1. Most of the α-particles get slightly deflected from their path.
2. Fewer α-particles get deflected at greater angles.
Suppose that an alpha particle of 4.50 MeV approaches head-on a uranium nucleus (Z = 92). Assuming that the uranium nucleus remains at rest and the alpha particle momentarily comes to rest and reverses its direction at a distance much more than the radius of the uranium nucleus, the distance of its closest approach is close to:
- Suppose that an alpha particle of 3.20 MeV approaches head-on a lead nucleus (Z = 82). Assuming that the lead n ucleus remains at rest and the al pha particle momentarily comes to rest and reverses its direction at a distance much more than the radius of the lead n ucl eus, the distance of its closest approach is:
