1. Waves 1

2. What is a wave? Transports: Momentum Energy Matter Oscillatory motion 2

3. Examples: Radar guns Garage door openers Ultrasonic waves 3 Radioactive decay Visible light sound Sonar Wireless signals AC Tsunami Earthquakes

4. Types Mechanical E and M Matter 4

5. Description Transverse Longitudinal 5

6. Pulse y=f(x) x‘=x vt Wave Function 6

7. MECHANICAL WAVES 7

8. String 8

9. Velocity of wave 9

10. Derive Wave Equation 10

11. Harmonic Wave 11

12. Velocity of Harmonic Wave 12

13. Doppler Effect 13

14. Doppler Effect 14

15. 15

16. 16

17. 17 Siren = 4000Hz Echo = 4400Hz Atmospheric Conditions T = 20 C v s = 343 m/s