Which mirror is used in projector?

Related questions

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2. Are small projectors any good?
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4. What is the principle of LCD?
5. Which lens is used in projector?
6. What is the function of overhead projector?
7. What are the advantages of overhead projector?
8. Can a projector replace your TV?
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10. What is the use of projector?

Tags

1. #projector
2. #convex
3. #concave
4. #using
5. #mirror
6. #parallel
7. #light
8. #spread
9. #could
10. #which
11. #making