2. Questions Bank
  3. 8th Class
  4. Science
  5. Sound

8th Class Science Sound Question Bank Sound Summative Objective Problems

  • question_answer
    Frequency of a body is 10 Hz, then range is

    A)  ultrasonic         

    B)  infrasonic

    C)  audible               

    D)  decible (dB)

    Correct Answer: B

    Solution :

      Not Available


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