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  3. 5th Class
  4. Science
  5. Lights, Sound and Force

5th Class Science Lights, Sound and Force Question Bank Light and Sound

  • question_answer
    Which among the following is an opaque object?

    A) Wooden screen  

    B) Chart paper

    C) Sunglasses        

    D)        Both [a] and [b]

    E) None of these

    Correct Answer: D

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