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9th Class Science Sound Question Bank Sound

  • question_answer
    An ultrasonic wave is sent from a ship towards the bottom of the sea.-, It is. Found that the time interval between the sending and receiving of wave is\[1.6\,\,s\]. What is the depth of the sea, if the velocity of sound in sea water is?

    A) \[1120\,\,m\]  

    B)        \[60\,\,m\]

    C) \[1400\,\,m\]     

    D)        \[112\,\,m\]

    Correct Answer: A

    Solution :

    Distance \[=\] velocity of sound \[\times \] time\[=1400\times 0.8=1120\,\,m\]


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