Theory
Practice Questions
| 1. |
Natural and man-made sources of light
Difficulty: easy |
2
|
| 2. |
Luminous and non-luminous object
Difficulty: easy |
2
|
| 3. |
LEDs and modern lights
Difficulty: easy |
2
|
| 4. |
Types of sources in light
Difficulty: medium |
2
|
| 5. |
Light sources
Difficulty: medium |
2
|
| 6. |
Terms related to sources of light
Difficulty: medium |
2
|
| 7. |
Light and its sources
Difficulty: medium |
2
|
| 8. |
Light sources and types in detail
Difficulty: hard |
2
|
| 9. |
Sources of light in everyday life
Difficulty: hard |
2
|