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The minimum sound pressure that the human ear can detect is ans. 20 μPa 2 μPa 10 Pa 200 μPa

Question

The minimum sound pressure that the human ear can detect is

  • ans.
  • 20 μPa
  • 2 μPa
  • 10 Pa
  • 200 μPa
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Solution

To find the correct answer, let's first clarify the concept of sound pressure. The minimum sound pressure level that the human ear can detect is known as the threshold of hearing.

Analysis of Options

  1. 20 μPa: Commonly accepted as the threshold of hearing in air.
  2. 2 μPa: Too low to be the threshold of hearing.
  3. 10 Pa: Extremely high; far above the threshold.
  4. 200 μPa: Higher than the commonly accepted threshold.

Final Answer

The minimum sound pressure that the human ear can detect is 20 μPa.

This problem has been solved

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