1. Types of waves 2. The wave equation of motion: y(x,t) = ymsin(kx ...

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Doppler Shift And did you hear the one about the rumoured (and fallacious) transcript of a conversation between US and Canadian authorities off the coast of Newfoundland… Canadians: Please divert your course 15 degrees south to avoid a collision. Americans: Recommend you divert your course 15 degrees north to avoid a collision. C: Negative. You will have to divert your course 15 degrees to the south to avoid a collision. A: This is the captain of a US Navy ship. I say again, divert your course. C: No sir, I say again, you will have to divert your course to avoid a collision. A: This is the aircraft carrier USS Lincoln, the second largest ship in the United States’ Atlantic fleet. We are accompanied by three destroyers, three cruisers, and numerous support vessels. I demand that you change your course by 15 degrees north. I say again, that’s one-five degrees north, or counter-measures will be undertaken to ensure the safety of this ship. C: This is a lighthouse. Your call. PHYS 1101, Winter 2009, Prof. Clarke 26
Clicker question 7 Two speakers are in phase and emit equal-amplitude sound waves with the same wavelength of 1.0 m. The interference of the two sound waves at point P can best be described as: P a) perfect constructive interference b) partial constructive interference c) partial destructive interference d) perfect destructive interference PHYS 1101, Winter 2009, Prof. Clarke 27
Page 1 and 2: WAVES 1. Types of waves 2. The wave
Page 3 and 4: A simple harmonic wave is given by:
Page 5 and 6: Clicker question 2 What is the phas
Page 7 and 8: Clicker question 3 What is the freq
Page 9 and 10: “Yardsticks” for the dB system
Page 11 and 12: Beats (Fig. 21-31, Knight) y r T =
Page 13 and 14: Standing Waves PHYS 1101, Winter 20
Page 15 and 16: Clicker question 4 Two loud speaker
Page 17 and 18: Clicker question 5 Two sources of s
Page 19 and 20: Clicker question 6 A standing wave
Page 21 and 22: Wave Interference in 2-D Example pr
Page 23 and 24: Wave Interference in 2-D Example pr
Page 25: Doppler Shift W 1 W 6 S 1 S 6 v S S
Page 29 and 30: Clicker question 8 A source of soun

1. Types of waves 2. The wave equation of motion: y(x,t) = ymsin(kx ...

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