| Q.18 | Which of these models resembles the solar system in which the nucleus plays the role of sun and the electrons that of revolving planets? | |
| Ans | 1. Bohr’s Model of Atom | |
| 2. Thomson Model of Atom | ||
| 3. Rutherford’s Nuclear Model of Atom | ||
| 4. Röentgen Model of Atom |
Correct Ans: 3