Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Across: 2. The ray of light that falls on the surface of the reflection materials 3. Objects which are able to emit light 4. The point at which incident ray strikes the reflecting surface 5. Effect of certain chemical reaction occuring in the organism 7. Perpendicular line drawn from the point of incidence to the plane of reflecting surface 8. Angle between reflected ray and normal 9. Ray of light that comes from the point when the incident ray falls on the reflection material 10. This plays a vital role in photosynthesis
Down: 1. Angle between incident ray and normal 6. Photography of sun using pinhole camera