
Concept explainers
(a)
The other particle emerged from the nitrogen gas in Rutherford Scattering experiment in which he bombarded a sample of nitrogen gas with a beam of alpha particles.
(a)

Answer to Problem 1CQ
Proton is the other particle emerged in the experiment.
Explanation of Solution
Given info: Rutherford bombarded a sample of nitrogen gas with a beam of alpha particles.
Proton is a positively charged particle with magnitude is equal to that of electronic charge .the mass of the proton is
In Alpha particle scattering experiment, Along with the deflected alpha particles, a positively charged particles were emitted. Rutherford observed the new particle behaving like nuclei of hydrogen atom.
By repeated experiment with gases he confirmed that it is new particle in side the nucleus and called as proton.
Conclusion:
Thus, Proton is the other particle emerged in the experiment.
(b)
The conclusion of the experiment.
(b)

Answer to Problem 1CQ
The protons are coming from the nucleus because no proton presented in the initial state.
Explanation of Solution
In the alpha particle experiment the mass of the a beam of alpha particles were bombarded with nitrogen gas while only few were deflected most of them passed through the gas. A new particles were observed with positive charge with magnitude equal to electronic charge.
These particle behaved like hydrogen nucleus and Rutherford observed these particle in other gas medium like helium, nitrogen and carbon. So he confirmed that hydrogen nucleus is a basic constituent of the nucleus of other elements. This particle named proton. Since only few observed he confirmed it is coming from the nucleus.
Conclusion:
Thus, the protons are coming from the nucleus because no proton presented in the initial state.
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Chapter 19 Solutions
Physics of Everyday Phenomena
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