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  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    The phenomenon of scattering of light by colloidal particles as a result of which the path of the beam of light becomes visible is known as:

    A) Tyndall effect    

    B) Filterability

    C) Heterogeneity

    D) Visibility

    E) None of these

    Correct Answer: A

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