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What was the source of alpha particles in the Rutherford scattering experiment?
- a)Hydrogen nucleus
- b)Argon nucleus
- c)Helium nucleus
- d)None of these
Correct answer is option 'C'. Can you explain this answer?
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What was the source of alpha particles in the Rutherford scattering ex...
Alpha particle consists of two neutrons and two protons and is thus identical to the nucleus of a helium atom. It has no charge. The mass of the particle is approximately the sum of the mass of the proton and neutron. Its charge is equal to that of 2 protons.
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What was the source of alpha particles in the Rutherford scattering ex...
Source of Alpha Particles in the Rutherford Scattering Experiment
Alpha particles were obtained from the decay of a radioactive element called radium. This source provided a beam of alpha particles that were used in the Rutherford scattering experiment.
Details of the Experiment
1. **Rutherford Scattering Experiment**: This experiment was conducted by Ernest Rutherford in 1909 to understand the structure of the atom.
2. **Target**: Rutherford directed a beam of alpha particles at a thin gold foil target.
3. **Observation**: Most of the alpha particles passed straight through the foil, but some were deflected at various angles.
4. **Conclusion**: Based on the results, Rutherford proposed that atoms have a small, dense, positively charged nucleus at their center.
Significance of Helium Nucleus
- **Alpha Particles**: Alpha particles consist of two protons and two neutrons, making them identical to helium nuclei.
- **Stability**: Helium nuclei are stable and easily detectable, making them ideal for experiments requiring a source of charged particles.
- **Emission**: The decay of radium produces alpha particles, enabling researchers to use them in experiments like the Rutherford scattering experiment.
In conclusion, the source of alpha particles in the Rutherford scattering experiment was the decay of radium, which provided a beam of helium nuclei for the experiment.
Alpha particles were obtained from the decay of a radioactive element called radium. This source provided a beam of alpha particles that were used in the Rutherford scattering experiment.
Details of the Experiment
1. **Rutherford Scattering Experiment**: This experiment was conducted by Ernest Rutherford in 1909 to understand the structure of the atom.
2. **Target**: Rutherford directed a beam of alpha particles at a thin gold foil target.
3. **Observation**: Most of the alpha particles passed straight through the foil, but some were deflected at various angles.
4. **Conclusion**: Based on the results, Rutherford proposed that atoms have a small, dense, positively charged nucleus at their center.
Significance of Helium Nucleus
- **Alpha Particles**: Alpha particles consist of two protons and two neutrons, making them identical to helium nuclei.
- **Stability**: Helium nuclei are stable and easily detectable, making them ideal for experiments requiring a source of charged particles.
- **Emission**: The decay of radium produces alpha particles, enabling researchers to use them in experiments like the Rutherford scattering experiment.
In conclusion, the source of alpha particles in the Rutherford scattering experiment was the decay of radium, which provided a beam of helium nuclei for the experiment.
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What was the source of alpha particles in the Rutherford scattering experiment?a)Hydrogen nucleusb)Argon nucleusc)Helium nucleusd)None of theseCorrect answer is option 'C'. Can you explain this answer?
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