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

Weegy: D. Refracting is taking place when sound waves are reflected from a surface along parallel lines.
andrewpallarca|Points 21878|

User: In a transverse wave that travels through a medium, the molecules of the medium vibrate A. with smaller amplitudes than the molecules in a longitudinal wave. B. at twice the velocity of the molecules in a longitudinal wave. C. in the direction in which the wave travels. D. at right angles to the direction in which the wave travels.

Weegy: B. at right angles to the direction in which the wave travels. Longitudinal waves vibrate the medium in the same direction as the propogation of the wave.
lolai3|Points 50|

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

Weegy: A. amplitude.
ailahlin|Points 120|

User: If you were trying to build a soundproof room, which of the following materials would you choose in order to absorb the most sound? A. Wood B. Concrete C. Heavy curtains D. Carpet

Weegy: If you were trying to build a soundproof room you need Carpet in order to absorb the most sound.
chinggay_0118|Points 831|

User: The function of the eardrum in the middle ear is to A. carry the sound energy to the brain. B. collect the sound waves. C. vibrate with the frequency of the received sound. D. amplify the received sound.

User: The function of the eardrum in the middle ear is to

Weegy: The function of the eardrum in the middle ear is to vibrate with the frequency of received sounds. The sound waves first pass through the outer auditory canal to the eardrum, causing it to vibrate. [ Then the vibrations of the eardrum go through a chain of bones in the middle ear to a sensory organ of the inner ear that sends them on to the brain through the auditory nerve. The brain then processes the nerve impulses and interprets them as specific sounds. ]
graHamV|Points 132|

User: The spreading of sound waves around openings in barriers is called

User: The _______ of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time. A. amplitude B. compression C. intensity D. frequency

User: A wave with a period of 0.008 second has a frequency of

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

User: The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the A. inner ear. B. auditory nerve. C. middle ear. D. outer ear.

Weegy: The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the C. middle ear.
debnjerry|Points 47138|

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. refraction. B. rarefaction. C. compression. 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 wavelength.
Expert answered|jeifunk|Points 9732|

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Asked 5/21/2013 11:28:11 AM
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