5th Class Science Lights, Sound and Force Question Bank Self Test-7

  • question_answer
    Straight line propagation of light is called:

    A) (a) Rectilinear propagation

    B) (b) Curved propagation

    C) (c) Parabolic motion

    D) (d) All of these

    E) (e) None of these

    Correct Answer: A

    Solution :

    (a)


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