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प्रश्न
What is meant by echo depth sounding?
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उत्तर
The method by which the position of an obstacle hidden in water is located is known as echo depth sounding.
संबंधित प्रश्न
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
1) Calculate the speed with which this sound travels
2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?
State two differences between the light and sound waves.
What is a stethoscope ? Name the principle on which a stethoscope works.
What do you mean by reflection of sound? State one condition for the reflection of a sound wave. Name a device in which reflection of sound wave is used.
Define the term Frequency (as applied to sound waves)
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
Waves produced on the surface of the water are formed to move with a velocity of 24 ms−1. If the wavelength of these waves equals 20 cm. find the
(i) frequency (no. of waves produced per second)
(ii) the time period (i.e. the time required to produce one wave) for these waves.
Explain reflection at the boundary of a rarer medium.
