Page 401 - Schaum's Outline of Theory and Problems of Applied Physics
P. 401
386 LIGHT [CHAP. 30
Answers to Supplementary Problems
30.1. Only the frequency never changes.
30.2. No, because this would mean a velocity of light greater than its velocity in free space, which is not possible.
30.3. D
30.4. C
7
30.5. 1.5 × 10 Hz = 15 MHz
30.6. 286 m
30.7. 127 cd
30.8. 5fc
30.9. 0.45 m higher for a total height of 2.45 m
30.10. 0.00125 sr
5
30.11. 3.6 × 10 cd
30.12. 3831 cd
30.13. 149 lamps
8
30.14. 2 × 10 m/s
30.15. 1.3
30.16. 23 ◦
30.17. 1.46
30.18. 50 ◦
30.19. 3.93 cm
