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प्रश्न
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.
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उत्तर
Dolphins sends the sound having frequencies between 120 kHz to 150KHz. The returning echoes used to help their prey.
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संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
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