1. Refraction

2. Total internal reflection

4. Total Internal Reflection just occurs. 全反射剛剛發生 c c 為臨界角

5. Total internal reflection Total Internal Reflection occurs. 全反射發生   > C 

6. Diamond

7. A B C Triangular prism01

8. A B C

9. Optical fibre

10. eye of a fish C Field of view 視野範圍 Fish-eye view

11. eye of diver C = 48.8° HW (P.63#2a,b) air 2 m (a) 光線在光導管中進行全內反射, 可以 用作光纖通訊. (b)

12. 48.8° 2 m r = ? tan 48.8° = (b)

13. 1988CE  

14.  10°15°20°25°30°  16.1°24.5°33.2°42.5°53.1° sin  0.170.260.340.420.50 sin  0.280.410.550.680.80

15. (0.5, 0.8) (0, 0)