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प्रश्न
How is it possible to recognize a person by his voice without seeing him?
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उत्तर १
It is because the vibrations produced by the vocal chord of each person have a characteristic waveform which is different for different persons.
उत्तर २
It is possible to recognize a person by his voice without seeing him because the vibrations produced by the vocal chord of each person have a characteristic waveform which is different for different persons.
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