PhysicsLAB Worksheet
Drill: Waves and Sound

 What is the speed of sound in a vacuum?

 When a wavefront moves from a fast medium to a second slower medium, which way does it bend?

 When a wavefront moves from a fast medium to a second slower medium, how is its wavelength changed?

 When a wavefront moves from a fast medium to a second slower medium, how is its frequency changed?

 How long is a loop in a standing wave?

 528 hz and 534 hz signals are sounded simultaneously. How many beats are produced each second? What is the beat frequency?

 True or False. When viewed from above, objects in the bottom of a glass of water appear to be closer to the surface than they actually are.

 What are the units to measure period?

 What is the formula to calculate the fundamental wavelength/frequency of a string fixed at both ends? (or a pipe open at both ends)

 What is the formula to calculate the 1st overtone of a string fixed at both ends? (or a pipe open at both ends)

 What is the formula to calculate the 2nd overtone of a string fixed at both ends? (or a pipe open at both ends)

 What is the formula to calculate the fundamental wavelength/frequency of a pipe open at one end and closed at the other?

 What is the formula to calculate the 1st overtone of a pipe open at one end and closed at the other?

 What is the formula to calculate the 2nd overtone of a pipe open at one end and closed at the other?

 What formula is used to calculate the velocity of a wave in a string?

 When are wave reflections inverted? upright?

 When is a standing wave produced?

 What are nodes? antinodes?

 What are the two types of interference?

 What is the formula to calculate the wavelength of sound given the temperature and its frequency

 what is occuring when a sound wave is damped?

 True or False. sound waves can cancel.






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