Saved Bookmarks
| 1. |
1) Why is silver the best reflector ? 2) What happens if 2 rays of light collide with each other ? 3) Why air doesn't reflect light and if it does why cant we see it ? 4) Why do a person standing on the earth sees a blue sky ? 5) why is that if their is no atmosphere we will see a black sky |
| Answer» SORRY I didn't UNDERSTAND | |