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प्रश्न
Name three animals, which can hear ultrasonic vibrations.
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उत्तर
Mosquitos, bats, and dogs are the three animals that can hear ultrasonic vibrations.
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संबंधित प्रश्न
Name the two characteristics of sound which differentiate two sounds from each other.
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Fig. shows three ways in which a string of length l in an instrument can vibrate.
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 |
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| (i) | (ii) | (iii) |
- Which of the diagram shows the principle note?
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The sound waves travel faster ______.
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Give scientific reasons.
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