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- 1. Multiple Choice
According to the figure, which of the following is closest to the lowest frequency that can be heard by a human being?
8 Hz
20 Hz
1000 Hz
20,000 Hz
- 2. Multiple Choice
As humans age, it is common for selective hearing loss to occur at high sound frequencies. Which of the following figures best illustrates this loss?
- 3. Multiple Choice
Based on the figure, a sound of a given frequency will have the highest intensity for which one of the following sets of conditions?
Sound is passing through water (S = 100 %)
Sound is passing through water (S = 10-8 %)
Sound is passing through air (S = 100 %)
Sound is passing through air (S = 10-8 %)
- 4. Multiple Choice
A student hypothesized that sounds of any intensity at a frequency of 105 Hz would be painful for humans to hear. Do the data in the figure support this hypothesis?
Yes, because the threshold of pain is relatively constant with changes in frequency.
Yes, because as frequency increases above 105 Hz, the threshold of pain increases.
No, because humans cannot hear sounds at 105 Hz.
No, because the threshold of pain is relatively constant with changes in frequency.
- 5. Multiple Choice
Based on the figure, does S depend on the frequency of a sound wave of a given intensity?
Yes, because as frequency increases, S increases
Yes, because as frequency increases, S remains constant.
No, because as frequency increases, S increases.
No, because as frequency increases, S remains constant.
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