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प्रश्न
Can you hear each other in a dark room?
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उत्तर
Yes, we can hear in the darkroom.
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संबंधित प्रश्न
Are sound waves longitudinal or transverse?
What is the difference between a compression and a rarefaction in a sound wave? Illustrate your answer with a sketch.
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?
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.
A person hearing at one end of a long metal bar hears two distinct sounds when the other end is struck with a stone. Explain, giving scientific reasons
Sound waves travel very fast in
Match the following
| 1. | Infrasonic | (a) | Compressions |
| 2. | Echo | (b) | 22 kHz |
| 3. | Ultrasonic | (c) | 10 Hz |
| 4. | High-pressure region | (d) | Ultrasonography |
