18. Waves & Sound

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

Which of the following factors can cause the amplitude of a wave to change?

In the context of wave functions, how does increasing the energy of a wave affect its amplitude?

The period of a waveform is defined as the time it takes for one complete cycle to occur. If the waveform shown in Figure 1c repeats every $0.02$ seconds, what is its period?

Which of the following statements about wave functions is true?

Which of the following best describes the frequency $f$ of a wave?

In the wave function $y=Asin(kx-\omega t)$, which symbol represents the amplitude of the wave?

In the context of wave functions $\psi$ and quantum mechanics, coherent scattering is also called:

A wave function is shown with a constant amplitude and a sinusoidal shape that repeats at regular intervals along the $x$-axis. Which best describes the type of wave seen here?

Which of the following best describes the medium through which seismic waves travel?

In the context of wave functions, what does the speed $v$ of a wave only depend on?

Is the wave nature of matter significant for bullets moving at typical speeds?

To change the frequency $f$ of a wave, which property of the wave must be altered?

Which phenomenon describes the bending of $\mathrm{waves}$ caused by a change in $\mathrm{speed}$ as they pass from one $\mathrm{medium}$ to another?

Light has both a wave and a particle nature. Particles have a wave nature as well, and therefore which of the following statements is correct about particles such as $electrons$?