9th Class Science Structure of the Atom Question Bank Structure of the Atom

  • question_answer
    A beam of alpha-particles is fired at a piece of gold foil as shown below. After striking the gold foil, in which direction do most of the alpha-particles travel?

    A) \[P\]                   

    B)        \[Q\]

    C) \[R\]                 

    D)        \[S\]

    Correct Answer: A

    Solution :

     After striking the gold foil, most of the alpha-particles travel in straight lines because most of the atom is hollow and empty.


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