Theory
Practice Questions
| 1. |
Atmospheric refraction basics
Difficulty: easy |
2
|
| 2. |
Examples of atmospheric refraction
Difficulty: easy |
2
|
| 3. |
TBQ - Twinkling of stars
Difficulty: hard |
4
|
| 4. |
Sunrise and sunset effects
Difficulty: medium |
3
|
| 5. |
Advanced sunrise and delayed sunset
Difficulty: medium |
2
|
| 6. |
Tyndall effect
Difficulty: medium |
2
|
| 7. |
Reddish appearance of Sun
Difficulty: easy |
2
|
| 8. |
TBQ - Colour of the Sun at sunrise and sunset
Difficulty: hard |
4
|
| 9. |
Colour of the sky
Difficulty: medium |
3
|