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9th Class Science Sound Question Bank Sound Summative Objective Problems

  • question_answer
                    A man stands in between two parallel cliffs and fires a gun. Hears two successive echos after 2 second and 4.5 seconds. What is the distance between the two cliffs.

    A)  332 m                                  

    B)  1079 m

    C)  482 m                  

    D)  747 m

    Correct Answer: B

    Solution :

      Not Available


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