The minimum sound pressure that the human ear can detect isans.20 μPa10 Pa200 μPa2 μPa
Question
The minimum sound pressure that the human ear can detect is
- 2 μPa
- 20 μPa
- 200 μPa
- 10 Pa
Solution
To determine the minimum sound pressure that the human ear can detect, we need to compare the given options. The minimum audible sound pressure level is generally accepted to be around 20 μPa (micropascals).
Breakdown of the Options:
- ans.20 μPa - This option represents 20 micropascals, which is a commonly recognized threshold.
- 10 Pa - This is equivalent to 10,000,000 μPa and much higher than the minimum detectable sound.
- 200 μPa - While this is detectable sound, it is still significantly higher than the typical threshold of 20 μPa.
- 2 μPa - This is below the commonly accepted threshold but does not account for the generally accepted measure.
Final Answer
The minimum sound pressure that the human ear can detect is 20 μPa.
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