using-concave
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| It is desired to obtain an erect image of an object, using concave mirror |
|
1 | 1000 | July 4, 2019 |
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| It is desired to obtain an erect image of an object, using concave mirror |
|
1 | 1000 | July 4, 2019 |