Physics 3
- Created by: Sarah
- Created on: 22-03-14 14:51
Other questions in this quiz
2. 2 materials X-rays are absorbed by
- bone and metal
- tissue and blood
- plastic and metal
3. What is the focal length?
- The distance from the eye to the lens
- the distance from the centre of the lens to the principal focus
- The distance from each of the principal focuses
4. What type of lens is used for short sighted people?
- Concave/diverging
- Convex/converging
5. How can you tell something is a real image?
- it can be seen on a TV
- the light can produce an image on the screen
- it can be seen with a magnifying glass
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