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JEE Main & Advanced Physics Atomic Physics Question Bank Atomic Structure

  • question_answer
    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]

    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

    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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