At an open-air music concert the music is broadcast through large speakers perpendicular to the stage. You are wandering around and notice that the sounds of the vocalist on stage can be heard in front of the stage but not so well to the sides (left or right of the large venue). However bass sounds can be heard both in front of the stage and off to both sides. How does the phenomenon of diffraction explain your observations?
At an open-air music concert the music is broadcast through large speakers perpendicular to the stage. You are wandering around and notice that the sounds of the vocalist on stage can be heard in front of the stage but not so well to the sides (left or right of the large venue). However bass sounds can be heard both in front of the stage and off to both sides. How does the phenomenon of diffraction explain your observations?
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Transcribed Image Text:At an open-air music concert the music is broadcast through large
speakers perpendicular to the stage.
You are wandering around and notice that the sounds of the vocalist on
stage can be heard in front of the stage but not so well to the sides (left
or right of the large venue). However bass sounds can be heard both in
front of the stage and off to both sides. How does the phenomenon of
diffraction explain your observations?
a.
Diffraction of sound is lower for the bass sounds.
O b. Since the frequencies of the sounds of the vocalist are higher
than bass sounds, diffraction is less pronounced and the
sound spreads out less
C.
This statement cant be true!
O d. Since the wavelengths of the sounds of the vocalist are higher,
than bass, diffraction is more pronounced and the sound
spreads out more
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