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  3. 8th Class
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8th Class Science Sound Question Bank Sound HOTS Objective Problems

  • question_answer
    A ship sends a signal and receives it back from the bottom of the sea after 6s. What is the depth of the sea at that place? (speed of sound in sea water is \[1450\text{ }m{{s}^{-1}}\])

    A)  4.35 km   

    B)  3.35 km

    C)  435 km                

    D)  335 km

    Correct Answer: A

    Solution :

      Not Available                    


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