After School Optics Lab Quiz

1. What is the phenomenon that explains how light can be channeled called?

2. What is the angle called at which incoming light is completely reflected?

A B 3. The index of refraction is higher for medium A or B?

4. ??

5. True or False For internal reflection a. The incident angle must be less than the critical angle b. The fiber must have an uneven cleave c. Repeaters must be placed at certain distances along the fiber d. The laser light must be red

6. What is it called when a more atoms of a gas are in an excited state than in a lower energy

7. What does LASER stand for?

ANSWERS 1. Total internal reflection 2. The critical angle 3. B 4. Cladding 5. F, F, T, F 6. Population inversion 7. Light Amplification by Stimulated Emission of Radiation