•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
They are measured on the Richter scale.
Your brain waves are measured.
Earthquake waves (seismic waves) are measured using a seismograph or seismometer.
Answer is by sound waves
googoe
Its frequency.
The frequency of electromagnetic waves is measured in hertz (Hz), where 1 Hz equals one cycle per second.
It is measured in Hertz (Hz).
measured by a ruler lol
waves are measured in Joules
abriviation
Intensity