Question

Write a short note on discovery of proton.
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Answer 1

Answer:

The discovery of the proton is credited to Ernest Rutherford, who proved that the nucleus of the hydrogen atom (i.e. a proton) is present in the nuclei of all other atoms in the year 1917. Based on the conclusions drawn from the gold-foil experiment, Rutherford is also credited with the discovery of the atomic nucleus.

Answer 2

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★ Discovery of protons

$\longrightarrow$ After discovery of election we know that election have negative charge.

$\longrightarrow$ An atom is nutral in nature, then it is clear that posetive charge particles.

$\longrightarrow$ The existence of positive charge particles is atom was shown by Goldstein.

• Goldstein passed electricity high voltage through agas at very low pressure take in this charge. tube having porus cathode.

$\longrightarrow$ Then, he found stream of having particles where given out by the anode and passing through the holes of cathode. The stream of particles are called anode rays. Such rays are also called Cannal rays.

$\longrightarrow$ Anode rays consist of positively change particles. such positively charge particles are called Protons.

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