Question

In Rutherford experiment Alpha particles were deflected because of:
a. electrostatic repulsion between alpha particles and positively charged part of an atom.
b. electrostatic attraction between alpha particles and positively charged part of an atom.
c. electrostatic repulsion between beta particles and positively charged part of an atom.
d.electrostatic attraction between Gamma particles and positively charged particles of an atom.​

Answer 1

Answer:

a is a correct answer

Explanation:

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Answer 2

Option A is the right answer. The alpha particles were deflected due to the electrostatic repulsion with a positively charged part of an atom

• The main observations of Rutherford's gold foil experiment were
• Most of the alpha particles passed through the atom undeflected.
• (So he concluded that most of the space in an atom is empty)
• Only some alpha particles were deflected
• (He inferred that the positive charge of the nucleus is confined to a very small space)
• Only very few atoms were deflected back by 180 degree
• (He assumed that these particles had a head-on collision with the positive part of the nucleus)
• Based on this information he put forward Rutherford's model of the atom