which instrument measure the intensity of sound​

Question

which instrument measure the intensity of sound​

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Kiệt Gia 5 months 2021-08-10T01:18:20+00:00 2 Answers 2 views 0

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    0
    2021-08-10T01:19:35+00:00

    Answer:

    Decibel Meter

    Explanation:

    A decibel meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure.

    0
    2021-08-10T01:19:54+00:00

    Answer:

    Decibel Meter

    A decibel meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )