Home » Sounds of what frequency are covered by A-weighted scale? Noise Pollution MCQs Sounds of what frequency are covered by A-weighted scale? May 4, 2022 46 Views Q. Sounds of what frequency are covered by A-weighted scale? A. 600 – 2500 Hz B. 500 – 2000 Hz C. 800 – 3000 Hz D. 1200 – 3900 Hz Answer: 800 – 3000 Hz