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Q: 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. 10 Hz D. 0.10 Hz
A: B. 1,000 Hz can be heard as an audible sound by the human ear.
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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. 10 Hz D. 0.10 Hz

Weegy: B. 1,000 Hz can be heard as an audible sound by the human ear.
andrewpallarca|Points 18029|

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

Weegy: D. Refracting is taking place when sound waves are reflected from a surface along parallel lines.
andrewpallarca|Points 18029|

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

Weegy: B. wind is blowing in the direction of the sound
bananayumboat|Points 553|

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

Weegy: B. diffraction
shifa saleheen|Points 9891|

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





Weegy: Sound will not travel through: C. Vacuum.
Expert answered|debnjerry|Points 42142|



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Asked 12/29/2012 1:11:22 PM
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If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is A. 80 degrees. B. 0 degrees. C. 90 degrees. D. 40 degrees.
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Updated 3/17/2016 12:53:21 AM
1 Answer/Comment

If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is 40 degrees.

Added 3/17/2016 12:53:21 AM
This answer has been confirmed as correct, not copied, and helpful.
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