9th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
      Match the names of the Scientists given in column A with their contributions towards the understanding of the atomic structure as given in column B
    (A) (B)
    [A] Ernest Rutherford (I) Indivisibility of atoms
    [B] J. J. Thomson (II) Stationary orbits
    [C] Dalton (III) Concept of nucleus
    [D] Neils Bohr (IV) Discovery of electrons
    [E] James Chadwick (V) Atomic number
    [F] E. Goldstein (VI) Neutron
    [G] Mosley (VII) Canal rays

    A) A \[\to \] III, B \[\to \] IV, C \[\to \] I, D \[\to \] II, E \[\to \] VI, F \[\to \] VII, G \[\to \] V

    B) A \[\to \] III, B \[\to \] IV, C \[\to \] II, D \[\to \] I, E \[\to \] VI, F \[\to \] VII, G \[\to \] V

    C) A \[\to \] II, B \[\to \] IV, C \[\to \] III, D \[\to \] I, E \[\to \]VI, F \[\to \]VII, G \[\to \] V

    D) A \[\to \] III, B \[\to \] VII, C \[\to \] I, D \[\to \] II, E \[\to \] V, F \[\to \] IV, G \[\to \] VI

    E) None of these

    Correct Answer: A


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