Special Education · Hearing Assessment
भाषण आवृत्तियों (speech frequencies) के लिए प्योर टोन एवरेज (PTA) की गणना पारंपरिक रूप से किन आवृत्तियों पर श्रवण थ्रेशोल्ड का औसत लेकर की जाती है?
- 1250 Hz, 2000 Hz, और 4000 Hz
- 21000 Hz, 2000 Hz, और 4000 Hz
- 3500 Hz, 1000 Hz, और 2000 Hz✓
- 4250 Hz, 500 Hz, और 1000 Hz
सही उत्तर देखें
500 Hz, 1000 Hz, और 2000 Hz
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