
Concept explainers
(a)
Interpretation: The questions based on the results of J.J. Thomson’s cathode ray experiment are to be answered.
Concept introduction: Cathode rays are considered to be made up of negatively charged particles. These negatively charged particles were termed as “corpuscles” by J.J. Thomson.
To determine: The name by which corpuscles are known now-a-days.
(b)
To determine: The reason as to why the beam deflected when passed between electrically charged plates.
(c)
To determine: The explanation corresponding to the change in the position of the spot on the phosphorescent screen if the polarity of plates was switched.
(d)
To determine: The effect of reduction in voltage on the position of spot on the phosphorescent screen.

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Chapter 2 Solutions
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