P7 Lenses Quiz
A quiz on lenses to revise P7
- Created by: Emma
- Created on: 29-05-12 13:41
Other questions in this quiz
2. What's the focal length of a lens?
- The distance from the end of the lens and the focal point
- The distance between the middle of the lens and its focal point
- The distance from the origin of the light to the focal point
3. How many lenses does a simple refracting telescope use?
- 4
- 1
- 2
- 3
4. What type of mirror do most astronomical telescopes use?
- Convex
- Concave
- Curved
5. The more powerful the lens, the shorter the focal length, true or false?
- True
- False
Similar Physics resources:
Teacher recommended
Comments
No comments have yet been made