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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-14

  • question_answer
    According to which one of the following scientist, an atom consists of a positively charged sphere with electron of equal magnitude embedded in it so that atom as a whole is neutral.

    A) Bohrs

    B) Thomson

    C) Rutherford

    D) Einstein

    E) None of these

    Correct Answer: B

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