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प्रश्न
Give scientific reason for the following:
When a nail is hammering appears to get higher and higher in pitch.
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उत्तर
When a nail is hammered into a piece of wood, its length outside wood gradually decreases. As the length decreases, the frequency of vibrations increases and hence the pitch being directly proportional to the frequency also increases
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संबंधित प्रश्न
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