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1. Homework

2. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m?

3. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? c = λν

4. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = c λ

5. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = c 4.90 x 10-7 m

6. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = c 4.90 x 10-7 m

7. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = 3.00 x 108 m/s 4.90 x 10-7 m

8. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = 0.612 x 1015 s-1

9. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = 6.12 x 1014 s-1

10. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = 6.12 x 1014 Hz

11. Homework • What is the frequency of green light, which has a wavelength of 4.90 x 10-7 m? ν = 6.12 x 1014 Hz (1 Hz = 1 wave/second)

12. Homework • An X-ray has a wavelength of 1.15 x 10-10 m. What is its frequency?

13. Homework 2. An X-ray has a wavelength of 1.15 x 10-10 m. What is its frequency? c = λν

14. Homework 2. An X-ray has a wavelength of 1.15 x 10-10 m. What is its frequency? ν = c λ

15. Homework 2. An X-ray has a wavelength of 1.15 x 10-10 m. What is its frequency? ν = c 1.15 x 10-10 m

16. Homework 2. An X-ray has a wavelength of 1.15 x 10-10 m. What is its frequency? ν = 3.00 x 108 m/s 1.15 x 10-10 m

17. Homework 2. An X-ray has a wavelength of 1.15 x 10-10 m. What is its frequency? ν = 2.61 x 1018 Hz

18. Homework • What is the speed of an electromagnetic wave that has a frequency of 7.8 x 106 Hz?

19. Homework • What is the speed of an electromagnetic wave that has a frequency of 7.8 x 106 Hz? What is the speed of every electromagnetic wave?

20. Homework • What is the speed of an electromagnetic wave that has a frequency of 7.8 x 106 Hz? C = 3.00 x 108 m/s, silly!

21. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) c = λν

22. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = c ν

23. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 3.00 x 108 m/s 94.7 MHz

24. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 3.00 x 108 m/s 9.47 x 101 MHz

25. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 3.00 x 108 m/s 9.47 x 107 Hz

26. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 3.00 x 108 m/s 9.47 x 107 /s

27. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 0.317 x 101 m

28. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 3.17 x 100 m

29. Homework • A popular radio station broadcasts with a frequency of 94.7 MHz. What is the wavelength of the broadcast? (1 MHz = 106 Hz) λ = 3.17 m