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संबंधित प्रश्न
What is a longitudinal wave ?
What are ultrasonics? Can you hear the ultrasonic sound?
Explain the terms 'compressions' and 'rarefactions' of a wave. What type of waves consist of compressions and rarefactions.
A bat emits an ultrasonic sound of frequency 0.25 MHz. Calculate the time in which one vibration is completed.
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
If the wavelength of the transverse wave is 32 mm, calculate the speed with which wave travels across the surface of the water.
Give an example to show that light travels faster than sound?
Match the following
| 1. | Infrasonic | (a) | Compressions |
| 2. | Echo | (b) | 22 kHz |
| 3. | Ultrasonic | (c) | 10 Hz |
| 4. | High-pressure region | (d) | Ultrasonography |
Mention two cases in which there is no Doppler effect in sound?
Why is the ceiling and wall behind the stage of good conference halls or concert halls made curved?
