Atoms And Nuclei Question 25

Question: A beam of fast moving alpha particles were directed towards a thin film of gold. The parts A, B and C of the transmitted and reflected beams corresponding to the incident parts A, B and C of the beam, are shown in the adjoining diagram. The number of alpha particles in [CPMT 1986, 88; RPET 2000]

Options:

A) B will be minimum and in C maximum

B) A will be maximum and in B minimum

C) A will be minimum and in B maximum

D) C will be minimum and in B maximum

Show Answer

Answer:

Correct Answer: B

Solution:

Because atom is hollow and whole mass of atom is concentrated in a small centre called nucleus.



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