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प्रश्न
What are ultrasonics? Can you hear the ultrasonic sound?
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उत्तर
Sounds of frequency higher than 20,000 Hz are called the ultrasonics. We cannot hear the ultrasonic sounds.
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संबंधित प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
How does a bat make use of ultrasonics waves to find its way?
Name the two characteristics of sound which differentiate two sounds from each other.
Name the type of waves produced when a tuning fork is struck in air.
Which one of the following does not consist of transverse waves?
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
Sound can travel through solids, gases, liquids, and even vacuum.
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
Name two musical instruments which produce sound by vibrating strings.
