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      Question

      Which of the following is correct regarding frequency?

      I. Frequency is expressed in hertz II. A frequency of 1 Hz is one oscillation per minute
      A Both I and II Correct Answer Incorrect Answer
      B Only II Correct Answer Incorrect Answer
      C Only I Correct Answer Incorrect Answer
      D Neither I nor II Correct Answer Incorrect Answer

      Solution

      Frequency is expressed in Hertz and it is the SI unit of frequency. A frequency of 1 Hz is 1 oscillation in one second.

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