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Given equal distances from the person hearing them, which one of the following has the highest decibel level?

A. Hammer drill
B. Bulldozer
C. Hand drill
D. Lawn mower

Answer :

Final answer:

Among the options provided, the hammer drill has the highest decibel level at approximately 100 dB. The bulldozer, hand drill, and lawn mower range from 85 to 90 dB. Therefore, the hammer drill is the loudest of the four devices listed.


Explanation:

Understanding Decibel Levels

Decibels (dB) are a unit of measurement used to express the intensity of sound. The decibel scale is logarithmic, meaning that an increase of 10 dB represents a tenfold increase in intensity. In evaluating the options provided: a hammer drill, a bulldozer, a hand drill, and a lawn mower, we can consider typical sound levels for each.

Typical Decibel Levels

  • Hammer drill: Approximately 100 dB
  • Bulldozer: Approximately 85 to 90 dB
  • Hand drill: Approximately 80 to 90 dB
  • Lawn mower: Approximately 85 to 90 dB

From the values presented, the hammer drill stands out with a typical sound level of around 100 dB, making it the loudest among the options mentioned. Both the bulldozer and lawn mower emit sounds in the range of 85 to 90 dB, while the hand drill is slightly quieter than the hammer drill.


Learn more about decibel levels here:

https://brainly.com/question/56054261


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