Equation Quiz A - Chapter 17 Name: _________________________ Date: _________________ Section: _______ WS = f λ 1. t=1/f You must show all work to get credit for your answer. Sound waves travel at a speed of approximately 345 m/s in air. What is the frequency of a sound wave that has a wavelength of 0.017 m? 2. Assuming the speed of sound has not changed, what is the wavelength of a sound wave that has a frequency of 190 Hz? 3. You are at the beach watching the waves roll in. You time them and determine that they hit the beach every 9 seconds. If the distance between crests is 12 m, what is the speed of these waves? Equation Quiz B - Chapter 17 Name: _________________________ Date: _________________ Section: _______ WS = f λ 1. t=1/f You must show all work to get credit for your answer. Sound waves travel at a speed of approximately 345 m/s in air. What is the frequency of a sound wave that has a wavelength of 0.019 m? 2. Assuming the speed of sound has not changed, what is the wavelength of a sound wave that has a frequency of 85 Hz? 3. You are at the beach watching the waves roll in. You time them and determine that they hit the beach every 7 seconds. If the distance between crests is 15 m, what is the speed of these waves? Equation Quiz C - Chapter 17 Name: _________________________ Date: _________________ Section: _______ WS = f λ 1. t=1/f You must show all work to get credit for your answer. Sound waves travel at a speed of approximately 345 m/s in air. What is the frequency of a sound wave that has a wavelength of 0.018 m? 2. Assuming the speed of sound has not changed, what is the wavelength of a sound wave that has a frequency of 540 Hz? 3. You are at the beach watching the waves roll in. You time them and determine that they hit the beach every 9 seconds. If the distance between crests is 15 m, what is the speed of these waves? Equation Quiz D - Chapter 17 Name: _________________________ Date: _________________ Section: _______ WS = f λ 1. t=1/f You must show all work to get credit for your answer. Sound waves travel at a speed of approximately 345 m/s in air. What is the frequency of a sound wave that has a wavelength of 0.016 m? 2. Assuming the speed of sound has not changed, what is the wavelength of a sound wave that has a frequency of 920 Hz? 3. You are at the beach watching the waves roll in. You time them and determine that they hit the beach every 7 seconds. If the distance between crests is 12 m, what is the speed of these waves?