Identify what is described below.
1.It always travels in a straight line when going to the a single medium.
2.They are very thin glass or plastic fibers.
3.It is used in communication, medicine and industry.
4.It is a narrow but powerful bean of light.
5.It is used to store information on a CD.
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Answer:
1. Light
2. Optical fibers
3. Optical fibers
4. Laser
5. Laser
Explanation:
I'm not sure but it's what it says in my detailed lesson plan