18. Waves & Sound

Which type of wave produces particles that move and displace one another as the wave passes through a medium?

Which of the following patterns is characteristic of longitudinal waves?

Which of the following will cause the frequency $f$ of a wave to increase, assuming the wave speed $v$ remains constant?

A traveling wave along the x-axis is given by the wave function $y=Asin(kx-\omega t)$. Which of the following expressions gives the speed of the wave?

In a longitudinal wave, what is the region called where the particles of the medium are close together?

Which of the following changes in wave properties will result in an increase in wave $amplitude$?

Which characteristic of waves was primarily responsible for the collapse of the Tacoma Narrows Bridge in 1940?

In a mechanical wave described by the wave function, how does increasing the amplitude $A$ affect the wavelength $\lambda$ of the wave?

Suppose two waves are traveling at the same speed, but one has a shorter $\mathrm{wavelength}$ than the other. Which wave has the higher $\mathrm{frequency}$?

In a diagram of a sinusoidal wave, which part of the diagram represents the $amplitude$ of the wave?

If you increase the frequency $f$ of a wave while keeping the wave speed $v$ constant, what happens to the number of waves (wavelengths $\lambda$) present in a given distance?

Given a traveling wave described by the equation $y=Asin(kx-\omega t+\phi )$, where $\phi$ is the phase constant, if the wave at $x=0$ and $t=0$ has a displacement of zero and is moving in the positive x-direction, what is the value of the phase constant $\phi$?

Which term describes the maximum displacement of a point on a wave from its equilibrium position?

Why are surface waves more destructive to buildings than the initial seismic wave in an earthquake?

Which of the following actions will decrease the amplitude of a wave described by the wave function $y=Asin(kx-\omega t)$?