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प्रश्न
High-frequency sounds that cannot be heard by you are called _______.
उत्तर
High-frequency sounds that cannot be heard by you are called Ultrasonic.
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संबंधित प्रश्न
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
Define sound ranging. Give one use of sound ranging.
Can you hear the sound produced due to the vibrations of second's pendulum?
The amplitude of the sound wave decides its
Match the following.
| Ultrasonics | Frequency below 20Hz |
| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
Match the following.
| 1. | Tuning fork | The point where density of air is maximum |
| 2. | Sound | Maximum displacement from the equilibrium position. |
| 3. | Compressions | The sound whose frequency is greater than 20,000 Hz. |
| 4. | Amplitude | Longitudinal wave. |
| 5. | Ultasonics | Production of sound. |
Suppose that a sound wave and a light wave have the same frequency, then which one has a longer wavelength?
In which medium the speed of the sound is maximum?
