2. Questions Bank
  3. 9th Class
  4. Science
  5. Work and energy

9th Class Science Work and energy Question Bank Work, Energy and Sound

  • question_answer
    Which of the following statements is correct?

    A) Frequency is directly proportional to time period.

    B) Frequency is directly proportional to square root of time period.

    C) Frequency is inversely proportional to time period.

    D) Frequency is inversely proportional to square root of time period.

    E) None of these

    Correct Answer: C

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