Intensity and Attenuation Concept

Demonstrations in Intensity and Attenuation

Extech SL130 sound level meter reading 90.8 dB as a fist pounds the table beside it, with MAX display showing 66.6 dB from an earlier measurement, set to 30-80 dB range
Safety

Decibel Meter

Demonstrates the logarithmic decibel scale for sound intensity. Students discover that each 10 dB increase requires a tenfold increase in intensity, providing an intuitive introduction to logarithmic measurement scales.