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प्रश्न
The bees do not have voice-boxes. How do they produce sound ?
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उत्तर
The bees do not have the voice-boxes. Still they produce sound.
This happens by the vibrations produced by the quick movement of their wings. Bees buzz while flying and depositing pollen among flowers.
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संबंधित प्रश्न
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
Draw a graph between displacement from mean position and time for a body executing free vibrations in vacuum.
Which wave property determines loudness?
Which one of the following does not consist of transverse waves?
Complete the following sentences :
Wave velocity = ________________ × wavelength.
Give a scientific reason.
If you were both on the moon, your friend will not be able to hear you call.
A continuous disturbance is created on the surface of water in a ripple tank with a small piece of cork floating on it. Describe the motion of the cork. What does the motion of the cork tell about the disturbance?
Name the factors on which the speed of sound depends.
