Answer :
A 520 Hz tone is sounded at the same time as a 516 Hz tone now the beat frequency is 4 Hz.
What is a frequency?
The pace of direction changes in current per second is known as frequency. It is expressed in hertz (Hz), a unit of measurement that is used internationally. One hertz is equal to one cycle per second. One hertz (Hz) is equivalent to one cycle per second. A complete alternating current or voltage wave is referred to as a cycle.
- f0=f2=f1 i the formula for frequency .
- then 520 Hz- 516 Hz= 4 HHz.
Read more about the Frequency :
https://brainly.com/question/254161
#SPJ1