Standing Waves
Wave Velocity
Units and Symbols
Inverse Square Law
Pot Luck
100
The number of nodes in this image.
What is four?
100
The type of change in wave speed due to a decrease in the string tension.
What is decrease?
100
The name of the greek letter shown above.
What is rho?
100
The sound related quantity which varies as the inverse square of the distance to the source.
What is the sound intensity?
100
This sound related quantity obeys the inverse distance law.
What is sound pressure?
200
The wavelength of the standing wave shown above given the distance between the people swinging the rope is 3.30m.
What is 6.60m?
200
The wave velocity whose frequency is 40Hz and wavelength is 2m.
What is 80m/s?
200
The small greek letter rho is used to represent this string related quantity.
What is linear mass density?
200
The sound intensity at 4m when the level at 2m is 100W/m2.
What is 25W/m2?
200
The process of transforming independent variable data based upon the expected relationship with dependent variable data in order to more easily visualize the results graphically.
What is linearization?
300
The "n" value for the first harmonic.
What is one?
300
The factor of increase in wave velocity when the tension on the string is increased by a factor of 9.
What is 3?
300
String tension is measured using these units.
What are Newtons?
300
The factor of sound intensity increase measured by a microphone moved 3 times closer to the source.
What is 9?
300
The reason for sound intensity data straying more and more from the expected inverse square relationship as the microphone is moved closer and closer to the source.
What is the sound is not coming from a point source?
400
The painting shown above depicts a man who used the concept of standing waves in his theory describing this.
What is the hydrogen atom?
400
The factor of increase in string tension if the wave velocity on the string increases by a factor of 4.
What is 16?
400
The tension on a string stretched by a 100 gram mass suspended by a string over a pulley.
What is 0.98 N?
400
The factor change in sound intensity if the distance to source changes by a factor of 5.
What is 1/25?
400
The name of the range of distances over which the measured sound pressure is expected to fall within 98% agreement with the inverse distance law.
What is 98% confidence interval?
500
The number of harmonic shown above.
What is the second harmonic?
500
The new wave velocity of a vibrating string, with a 100 m/s traveling wave, whose linear mass density is increased by a factor of four when it rains.
What is 50 m/s?
500
The units of linear mass density.
What is kg/m?
500
The speed of a car driving away from a sound source at a constant velocity if they start 20m away and experience the following sound intensities: 4000W/m2 at 0sec, 1000W/m2 at 2 sec.
What is 10m/s?
500
The required substance for sound to travel through.
What is a transfer medium?