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Sound Wave Equations Formulas Calculator
Science Physics
Solving for Velocity
Inputs:
Conversions:
| frequency | = | 0 | = | 0 | hertz | |
| wavelength | = | 0 | = | 0 | meter |
Solution:
| velocity | = | HAS NOT BEEN CALCULATED |
Other Units:
Change Equation
Select an equation to solve for a different unknown
Where
Select an equation to solve for a different unknown
 |
sound pressure level |
 |
sound pressure |
 |
reference pressure |
 |
sound intensity level |
 |
sound intensity |
 |
reference intensity |
 |
intensity at a distance from point source |
 |
distance from sound source |
 |
power emitted |
 |
wave frequency |
 |
wave velocity |
 |
wavelength |
 |
noise pollution level NPL |
Where
| SPL | = | sound pressure level, decibels (db) |
| P | = | sound wave pressure, newtons/meter2 |
| Pref | = | reference pressure or hearing threshold, newton/meter2 |
| IL | = | intensity level, decibel (db) |
| I | = | sound intensity, watt |
| I0 | = | reference intensity or least audible sound level, watts |
| PAV | = | average power, watt |
| NPL | = | noise pollution level, decibel (db) |
Notes:
- Usually, I0 is set to 10-12 watts
- Usually, Pref is set to 0.00002 newtons/meter2
References - Books:
1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.
2) Tipler, Paul A.. 1995. Physics For Scientists and Engineers. Worth Publishers. 3rd ed.
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