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संबंधित प्रश्न
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
What is sound? What type of waves are sound wave in air?
The speed of light in air is :
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
An observer sitting in line of two tanks watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510m, find the speed of sound.
Select the correct option:
A part of the longitudinal wave in which particles of the medium are closer than the normal particles is called:
Can you hear each other in a dark room?
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. |
Write any two uses of ultrasonic sound.
