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प्रश्न
Explain how the principle of echo is used by
The bat during its flight at night
एका वाक्यात उत्तर
उत्तर
Bats emits its own distinctive sounds. The echoes of the sound help bat to navigate and to locate their prey during night.
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संबंधित प्रश्न
| Column A | Column B |
| (a) Vibrations cause | (1) absorb sound |
| (b) A shriller sound is | (2) second |
| (c) Unit of frequency | (3) sound |
| (d) Unit of time period | (4) of high pitch |
| (e) Curtains | (5) hertz |
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