Question and answer
A sound that's produced by a single wave at a constant frequency and with no overtones is called A. a pure sound. B. a discordant sound. C. a mellow sound. D. an average sound.
The answer is C. a pure sound.
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Original conversation
User: A sound that's produced by a single wave at a constant frequency and with no overtones is called A. a pure sound. B. a discordant sound. C. a mellow sound. D. an average sound.

Weegy: The answer is C. a pure sound.
smileytrip|Points 86|

User: When a sound from a source is refracted away from the surface of the earth, it gives an indication that the A. air has high humidity. B. wind is blowing in the direction of the sound. C. ground is cooling faster than the air. D. air is cooler than the ground.

Weegy: B. wind is blowing in the direction of the sound
bananayumboat|Points 443|

User: The maximum distance a molecule has been moved from its normal position by a wave is A. rarefaction. B. compression. C. amplitude. D. frequency.

Weegy: A. amplitude.
ailahlin|Points 120|

User: The distance from one molecule in a body to the nearest molecule in the body occupying a similar position and moving in the same direction is a A. rarefaction. B. compression. C. refraction. D. wavelength.

Weegy: The distance from one molecule in a body to the nearest molecule in the body occupying a similar position and moving in the same direction is a Wavelength.
GavinLorin|Points 0|

User: When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused by A. harmonics. B. resonance. C. reinforcement. D. beats.

Weegy: The answer is C. resonance.
bonaxle|Points 345|

User: A surface receiving sound is moved from its original position to a position three times farther away from the source of the sound. The intensity of the received sound thus becomes A. three times as low. B. nine times as high. C. three times as high. D. nine times as low.

User: The multiple reflection of a single sound wave is a/an A. refraction. B. reverberation. C. diffraction. D. echo.

Weegy: The multiple reflection of a single sound wave is called an ECHO
jing_patawe|Points 303|

User: The spreading of sound waves around openings in barriers is called A. an echo. B. diffraction. C. refraction. D. reverberation.

Weegy: B. diffraction
shifa saleheen|Points 9855|

User: If a string vibrates at the fundamental frequency of 528 Hz and also produces an overtone with a frequency of 1,056 Hz, this overtone is the A. second harmonic. B. fourth harmonic. C. first harmonic. D. third harmonic.

User: Sound waves can't travel through A. an elastic material. B. a liquid. C. a vacuum. D. a solid.

Weegy: Sound waves cannot travel through B.) a vacuum.
wedekind|Points 1472|

User: If two waves with equal amplitudes and wavelengths travel through a medium in such a way that a particular particle of the medium is at the crest of one wave and at the trough of the other wave at the same time, what will happen to that particle? A. The particle will move halfway to the crest due to reinforcement. B. The particle will vibrate with double amplitude due to resonance. C. The particle will cause beats as a result of the wave combination. D. The particle will remain stationary due to interference.

Weegy: D. The particle will remain stationary due to interference.
Fanboy|Points 2431|

User: In which one of the following locations can a person hear the echo of a sound? A. At least 16.6 meters in front of the reflecting surface B. At least 33.2 meters behind the reflecting surface C. Less than 16.6 meters in front of the reflecting surface D. Less than 33.2 meters behind the reflecting surface

User: In a stringed musical instrument, the part that vibrates in resonance with the sound waves produced by the strings is called the A. membrane. B. reed. C. diatonic scale. D. sounding board.

Weegy: In a stringed musical instrument, the part that vibrates in resonance with the sound waves produced by the strings is called the C. sounding board.
cha97mw|Points 1146|

User: Which one of the following environments will sound not travel through? A. Liquid B. Gas C. Solid D. Vacuum

User: A wave with a period of 0.008 second has a frequency of A. 800 Hz. B. 80 Hz. C. 125 Hz. D. 12.5 Hz.

User: During the process of steel production, the flaws in steel casting are detected by A. ultrasonic vibrations. B. resonant vibrations. C. infrasonic vibrations. D. longitudinal vibrations.

Weegy: The answer is C. The process of steel production, the flaws in steel casting are detected ultrasonic vibrations.
ephraimzRN|Points 2278|

User: Which of the following phenomena is taking place when sound waves are reflected from a surface along parallel lines? A. Diffusion B. Focusing C. Refracting D. Absorption

Weegy: C. Refracting
Shey091808|Points 465|

User: The number of waves that pass a particular point in a body in a unit of time is called the _______ of the waves. A. compression B. rarefaction C. frequency D. amplitude

Weegy: B. frequency is correct
shifa saleheen|Points 9855|

User: Which one of the following frequencies of a wave in the air can be heard as an audible sound by the human ear? A. 100,000 Hz B. 1,000 Hz C. 0.10 Hz D. 10 Hz



Weegy: BWhich one of the following frequencies of a wave in the air can be heard as an audible sound by the human ear? b. 1,000 Hz
Expert answered|selymi|Points 8932|

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Asked 9/29/2012 9:37:45 AM
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In a nuclear reaction, energy is released by the combination of two elements into a new element. This process is an example of A. nuclear fusion. B. natural radioactivity. C. nuclear fission. D. artificial disintegration.
Weegy: D. nuclear fusion. User: A chemical reaction in which two elements or radicals change places with two other elements or radicals is a _______ reaction. A. substitution B. decomposition C. combination D. double replacement Weegy: A chemical reaction in which two elements or radicals change places with two other elements or radicals is a B. double replacement. User: Which of the following will result in a chemical change? A. Melting ice to obtain water B. Burning coal in a furnace C. Drying wood in a shed D. Evaporating alcohol into vapor Weegy: C. Burning coal in a furnace User: Which of the following is represented in the highest percentage by volume in dry air? A. Carbon dioxide B. Nitrogen C. Hydrogen D. Oxygen User: The element fluorine is classified in the periodic table as a/an A. metal. B. alkali metal. C. metalloid. D. halogen. Weegy: A. halogen. Fluorine is classified as a halogen. Source: User: If water and oil are combined in a container, the resulting liquid is a(n) A. emulsion. B. mixture. C. solution. D. suspension. User: The molecular mass of sodium oxide (Na2O) is A. 61.97894. B. 45.97954. C. 22.98977. D. 38.98917. Weegy: Molecular mass of Na2O = D. 61.97894 g/mol User: Examine the following unbalanced chemical equation: CO2 + C ? CO. Which of the following is the correctly balanced form of this equation? A. 2CO2 + C ? CO B. CO2 + C ? C2O C. CO2 + C2 ? CO D. CO2 + C ? 2CO Weegy: D. 2:2 User: Examine the following unbalanced chemical equation: CO2 + C ? CO. Which of the following is the correctly balanced form of this equation? A. 2CO2 + C ? CO B. CO2 + C ? C2O C. CO2 + C2 ? CO D. CO2 + C ? 2CO Weegy: C. CO2 + C2O (More)
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Expert Answered
Asked 9/29/2012 10:00:58 AM
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