Timeline for About the foci of concave spherical mirrors
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 6, 2020 at 12:54 | vote | accept | GUNDOGAN | ||
| Jan 6, 2020 at 12:16 | history | answered | mmesser314 | CC BY-SA 4.0 |