Advertisements
Advertisements
Question
What is meant by echo depth sounding?
Solution
The method by which the position of an obstacle hidden in water is located is known as echo depth sounding.
APPEARS IN
RELATED QUESTIONS
Why are the ceilings of concert halls curved?
The human ear can detect continuous sounds in the frequency range from 20 Hz to 20,000 Hz. Assuming that the speed of sound in air is 330 ms1 for all frequencies; calculate the wavelengths corresponding to the given extreme frequencies of the audible range
Displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
1) Amplitudes
2) Wavelengths
Define amplitude term in relation to a wave.
State the use of echo by a bat, dolphin and fisherman.
What are infrasonic waves?
How are bats able to fly in the dark?
What are fishing boats?
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?