WE 1 6 (psy101)
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Conceptual Questions 1. What is the difference between sound and hearing? Solution Sound is a disturbance of matter (a pressure wave) that is transmitted from its source outward. Hearing is the human perception of sound. 3. Sound waves can be modeled as a
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Conceptual Questions 
1. What is the difference between sound and hearing? 
Solution 
Sound is a disturbance of matter (a pressure wave) that is transmitted from its source outward. 
Hearing is the human perception of sound. 
3. Sound waves can be modeled as a change in pressure. Why is the change in pressure used and 
not the actual pressure? 
Solution 
Consider a sound wave moving through air. The pressure of the air is the equilibrium condition, 
it is the change in pressure that produces the...
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