What in the world??!!?

1. Why do you see yourself in the mirror?


2. Differentiate a real image and virtual image.


3. What kind of mirrors produces virtual image


4. Here on earth you see moonlight. Astronauts on the moon see earth light. Explain why!


5. How does sound and visible light compare in each of the ff. categories:


a. origin b. medium c. wavelenght d. type of wave e. speed


6. Name some uses of curve mirrors.


7.What is a lens? Name different types of lenses.


8.Give some important application of lenses


9. How is depth perceived by the eyes?


10. In trying to hit a fish in the water. Where should you aim? Explain


11.How does the human eye compare with the eyes of other animal?


12. What is a mirage? Explain how it happens.

What in the world??!!?
People might help you more if you made some sort of attempt to use your brain. All of these things can be found with http://www.wikipedia.org/ or http://www.google.com/
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