Child Development and Pedagogy · Pedagogy
गहन श्रवण बाधिता (profound hearing loss) वाले छात्रों की श्रवण दहलीज (hearing threshold) ___________ होती है।
- 120-30 dB
- 261-75 dB
- 330-40 dB
- 491 dB और उससे अधिक✓
सही उत्तर देखें
91 dB और उससे अधिक
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