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Railways General Science & Technology Sound Sample Paper Sound Sample Test Paper-5

  • question_answer
    A stone is dropped in a well and splash is heard after 1.5 seconds after the stone hits the water surface. If the velocity of sound is 327 m/s, the depth of the well is

    A)  654.0 m          

    B)  490.5 m

    C)  227 m 

    D)  981.0 m

    Correct Answer: B

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