McqMate
| Q. |
Least audible sound for most of the human ear is – |
| A. | 10.0 μ bar |
| B. | 0.0002 μ bar |
| C. | 0.005 μ bar |
| D. | 5.0 μ bar |
| Answer» B. 0.0002 μ bar | |
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Explanation: Least audible sound for most of the human ear is 2 x 10-5 pascal. The generally accepted standard range of audible frequencies is 20 to 20,000 Hz. |
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