A person stands at rest in front of a large smooth wall. Between him and the wall he golds a tuning fork with a frequency of 400Hz. The person moves the fork toward the wall at a speed of 1 m/s.  How many beats per second will the person hear between sound waves reaching him directly from the fork, and those reaching him from the sound reflecting off the wall.  Thank you for the help.

Q: One OPEN organ pipe has a length of 2.40 m. What is the frequency of a note played by this pipe?…

A:

Q: Suppose a dolphin sends out a series of clicks that are reflected back from the bottom of the ocean…

A: Given:Distance covered by the sound to reach the bottom of the sea (d) = 55 mSpeed of sound in…

Q: modulus of longitudinal wave velocity in a lead pipe is​ equal to 1328 ​m/s. We consider a series of…

A:

Q: A long slender bar is made from an unknown material. The length of the bar is 0.950 m, its…

A: Solution- To find the Young's modulus  E  of the material, we can use the formula for the speed of…

Q: The power output of a trombone is 0.30 W. At what distance is the sound intensity of the trombone…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Thanks! A sound wave with intensity 25.4 m W/m? interferes destructively with a sound wave that has…

A:

Q: The sound from a truck moving at  37m/s reflects from a cliff and is heard by an observer on the…

A: Given data: Speed of sound from truck is, vt=37 m/s. Initial wavelength of sound wave is, λ=0.15 m.…

Q: While running on the sidewalk at 5.2m/s, you hear an ambulance approaching you from behind. It is…

A:

Q: You see lightning strike a mountaintop, and 2.90 s later you hear the accompanying thunder. How far…

A: Given: The time interval between seeing the lightning and hearing the thunder: ∆t = 2.90 s. The…

Q: A DJ is setting up their equipment and measures the sound level near a speaker to be 44.72dB. They…

A: Given,

Q: A thin, 72.0-cm-long copper pipe open at both ends experiences a slow breeze. What frequency might…

A: To determine the frequency of the sound produced by a copper pipe that is open at both ends, we need…

Q: Red Light in air has a frequency of 4.3 x 104 Hz. What is the speed in glass for red light if it has…

A:

Q: Two aircraft engines are running at slightly different rates. One produces a sound of 826.0 Hz. The…

A: Given data:  The frequencies of two aircraft engines  f1 = 826.0 Hz f2 = 836.0 Hz Required:  The…

Q: An ambulance has a siren emits a sound which is sinusoidal with frequency fs = 350Hz. Assuming the…

A: Given data: Frequency of the sound wave emitted by the siren, fs=350 Hz Speed of sound in air,…

Q: A whistle you use to call your hunting dog has a frequency of 42 kHz, but your dog is ignoring it.…

A: Given:  frequency,  f = 42 Hz  Apparent frequency, f' = 40 Hz

Q: A string is attached to a 120 Hz vibrator to generate a wave.  You measure the wavelength to be 25.0…

A: The expression for the wave speed is,

Q: A student doing a speed-of-sound lab on a closed-open system hears a resonance with a tuning fork…

A: We need to use the formula for the speed of sound in air at a given temperature:

Q: organ pipe that is open at both ends is 4.0 m long. What is its fundamental frequency?

A: Fundamental frequency is minimum mode of vibration of instruments

Q: One end of the horizontal rope is attached to a prong of an electrically driven tuning fork that…

A: solution as

Q: Two loudspeakers emit 600 HzHz notes. One speaker sits on the ground. The other speaker is in the…

A:

Q: The eardrum, which transmits vibrations to the sensory organs of your ear, lies at the end of the…

A:

Q: You are standing between two stereo speakers that are emitting sound of wavelength 9.20 cm in step…

A: Given that  You are standing between two stereo speakers that are emitting sound of wavelength 9.20…

Q: A car is moving to the right blasting the "Cantina Band" song from Star Wars IV A New Hope. The car…

A:

Q: Waves on a swimming pool propagate at 0.750 m/s. You splash the water at one end of the pool and…

A: The velocity of a propagating wave is, The total time taken by the wave to go and return is,

Q: You are in Switzerland and decide to try yodeling. You are facing a cliff some distance away. If the…

A:

Q: The tension in a string is provided by hanging an object of mass m=3.00 kg at one end as shown in…

A: Given that, Mass m= 3.00 kg Length = 2.50 m Mass ms =50.0 g

Q: A string with a linear density of 7 kg/m is stretched to a length of 0.4 meters and fastened at both…

A: Speed for longitudinal wave in string is  V=Tμ where T=tension           μ=mass per unit…

Q: Calculate the speed of the longitudinal waves (sound) in an aluminum. Given the density of aluminum…

A: The density of the aluminum, ρ=2790 kg/cm3=2790 kgcm3×100 cm1 m3=2.79×109 kg/m3   The Young's…

Q: A wave travels along a steel string with a speed of 22 m/s. At some point along the string, its…

A: v1=22 m/sT=Tensionμ=Linear density=ρA=ρπd24ρ=Density of materialA=Area=πd24d=Diameterd2=2d1

Q: The tension in a string is provided by hanging an object of mass m=3.00 kg at one end as shown in…

A: Given L=2.5m m=3kg ms=50g

Q: ellow light travels at a speed of 1.97 108 m/s through a certain glass block. The wavelength of…

A: Given: The speed of the light is 1.97x108 m/s. The wavelength of the light is 3.835x10-7 m.

Q: A hammer taps on the end of a 3.4-m-long metal bar at room temperature. A microphone at the other…

A: The time interval for the sound pulse traveling through the air is,

Properties of sound

A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).

Quality Of Sound

A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.

Categories of Sound Wave

People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.