Timeline for Why is intensity additive?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 2 at 13:11 | comment | added | JiK | "depending on your position" – You can easily try this out at home: Set up two speakers ~1–2 meters apart and play a sine wave of wavelength ~1m from both of them, close one ear and move around a bit. E.g. 440 Hz sine waves should be easily available in Youtube. | |
| May 2 at 10:17 | comment | added | Nadav Har'El | Yes, indeed. "dB" measures the log of the intensity, not the intensity itself, so zero intensity (which is what I meant) indeed translates to minus infinity dB. | |
| May 1 at 23:06 | comment | added | nanofarad | Wouldn't fully destructive interference be $-\infty$ dB rather than 0 dB? | |
| May 1 at 6:28 | history | answered | Nadav Har'El | CC BY-SA 4.0 |