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प्रश्न
The threshold of hearing is ______.
विकल्प
0 dB
20 Hz
MCQ
रिक्त स्थान भरें
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उत्तर
The threshold of hearing is 0 dB.
Explanation:
The threshold of hearing refers to the quietest sound level that a person with normal hearing can detect. This level is defined as 0 dB (decibels) at a standard frequency of 1000 Hz. The other value, 20 Hz, refers to the lowest frequency (pitch) a human can typically hear, not the minimum intensity (loudness).
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