Q. No.The Rutherford -particle experiment shows that most of the -particles pass through almost unscattered while some are scattered through large angles. What information does it give about the structure of the atom?
| 1. | Atom is hollow. |
| 2. | The whole mass of the atom is concentrated in a small center called the nucleus. |
| 3. | Nucleus is positively charged. |
| 4. | All of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(\frac{1}{Ze} \) | 2. | \(v^2 \) |
| 3. | \(\frac{1}{m} \) | 4. | \(\frac{1}{v^4}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a Rutherford scattering experiment when a projectile of charge and mass approaches a target nucleus of charge and mass the distance of closest approach is . What is the energy of the projectile?
| 1. | Directly proportional to \(M_1 \times M_2\) |
| 2. | Directly proportional to \(Z_1Z_2\) |
| 3. | Inversely proportional to \(Z_1\) |
| 4. | Directly proportional to mass \(M_1\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(\frac{1}{\sqrt{m}}\)
2. \(\frac{1}{m^2}\)
3. \(m\)
4. \(\frac{1}{m}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(145\) | 2. | \(160\) |
| 3. | \(172\) | 4. | \(157\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA beam of fast-moving alpha particles were directed towards a thin film of gold. The parts \(A', B',\) and \(C'\) of the transmitted and reflected beams corresponding to the incident parts \(A,B\) and \(C\) of the beam, are shown in the adjoining diagram. The number of alpha particles in:
| 1. | \(B'\) will be minimum and in \(C'\) maximum |
| 2. | \(A'\) will be maximum and in \(B'\) minimum |
| 3. | \(A'\) will be minimum and in \(B'\) maximum |
| 4. | \(C'\) will be minimum and in \(B'\) maximum |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat was Rutherford's atom according to classical theory?
| 1. | electrostatically stable. |
| 2. | electrodynamically unstable. |
| 3. | semi-stable. |
| 4. | stable. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(K \frac{e^{2}}{r^{2}} \hat{r}\)
2. \(- K \frac{e^{2}}{r^{3}} \hat{r}\)
3. \(K \frac{e^{2}}{r^{3}} \overset{\rightarrow}{r}\)
4. \(- K \frac{e^{2}}{r^{3}} \overset{\rightarrow}{r}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhose atomic model describes electrons being embedded in a gel of positive charge?
| 1. | Dalton's model |
| 2. | Bohr's model |
| 3. | Thomson's model |
| 4. | Rutherford's model |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(\dfrac{r_0}{9}\) | 2. | \(r_0\) |
| 3. | \(9r_0\) | 4. | \(3r_0\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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