Across
- 3. A light beam that is spreading out is .....
- 6. The 3rd colour of the rainbow is.....
- 8. An other word for regular reflection is..........
- 9. If a parallel light beam is shining on a surface and reflected in random directions, this is ........reflection
Down
- 1. A light beam that is bending towards each other is ..................
- 2. A .............lens is positive
- 4. The moon is a ............ light source
- 5. A ............ lens is negative
- 7. If orange light is shining on a blue filter, what will come out of the filter?