1. What is a Shadow?
2. How does light pass
3. What is a Reflection?
4. What is a Opaque object?
5. What is a pinhole camera?
6. Can a rock be classified as a luminous object?
7. If we stand in a completely dark room, will we be able to see a reflection in a mirror?
8. Can we say that a pinhole camera is a translucent object?
9. We can say that the sun is a luminous object
10. How do we see objects?