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    Question

    The sounds having a frequency of 20 Hertz to 20,000

    Hertz are known as –
    A Audible sounds Correct Answer Incorrect Answer
    B Ultrasonics Correct Answer Incorrect Answer
    C Infrasonics Correct Answer Incorrect Answer
    D Megasonics Correct Answer Incorrect Answer

    Solution

    An audio frequency is characterized as a periodic vibration whose frequency is audible to the average human. It is the property of sound that most determines pitch and is measured in hertz (Hz). The generally accepted standard range of audible frequencies is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.

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