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  3. 6th Class
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6th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Look at the following figure and choose the correct option.
    I. X shows reflection by a rough surface
    II. X shows the phenomenon of regular reflection.
    III. Y shows reflection by a smooth surface.
    IV. Y shows the phenomenon of an irregular reflection.

    A) I and II

    B) II and III

    C) III and IV

    D) I and III

    E) None of these

    Correct Answer: D

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