explain the formation of positive ray in discharge tube (discovery of proton)
Answers
★ DISCOVERY OF PROTONS:-
→ Since atoms on the whole are neutral, the presence of negatively charged electrons suggested the presence of positively charged particles.
→ These ray travels in direction opposite to cathode rays.
→ They were observed behind the cathode in a gas discharged tube when perforated cathode was used.
→ They were named as canal rays or protons.
★ Characteristics of canal rays or protons:-
→ These are positively charged gaseous ions which depend on nature of gas present in the cathode ray tube.
→ The charge to mass ratio of these rays depends on the gas from which these originate.
→ Some of the positively charged particles carry a multiple of the fundamental unit of electrical charge.
→ The behavior of these particles in the magnetic and electrical field is opposite to that observed for electron.
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