Waves & Sound

The relationship between wave speed, wavelength, and frequency is ...

The SI unit of frequency is the ...

The relationship between period $T$ and frequency $f$ of a wave is ...

Sound is a ... wave.

The speed of sound in air at room temperature is about ...

Sound cannot travel in a vacuum because sound ...

A wave has a wavelength of $2\text{m}$ and a frequency of $50\text{Hz}$. Its speed is ...

A wave has a frequency of $250\text{Hz}$. Its period is ...

Sound of frequency $170\text{Hz}$ travels in air at $340\text{m/s}$. Its wavelength is ...

A sound intensity of $1\times 10^{-6}{\text{W/m}}^2$ has an intensity level of ... ($I_0=1\times 10^{-12}{\text{W/m}}^2$)

An ambulance approaches a listener with its siren sounding. The frequency heard by the listener ...

Two tuning forks of $440\text{Hz}$ and $444\text{Hz}$ sound together. The number of beats per second is ...

The wavelength of the fundamental tone of an open organ pipe of length $L$ is ...

A sound intensity level of $30\text{dB}$ corresponds to an intensity of ... ($I_0=1\times 10^{-12}{\text{W/m}}^2$)

A source of frequency $600\text{Hz}$ moves toward a stationary listener at $34\text{m/s}$. If the speed of sound is $340\text{m/s}$, the heard frequency is ...

An open organ pipe is $1\text{m}$ long. If the speed of sound is $340\text{m/s}$, its fundamental frequency is ...

A source of frequency $600\text{Hz}$ moves away from a stationary listener at $34\text{m/s}$. If the speed of sound is $340\text{m/s}$, the heard frequency is ...

If the sound intensity is increased to 100 times its original value, its intensity level increases by ...

In a resonance tube experiment, the air column lengths at the first and second resonance are $20\text{cm}$ and $60\text{cm}$. The wavelength is ...

A tuning fork of $256\text{Hz}$ sounds with another fork and 5 beats per second are heard. The possible frequency of the other fork is ...