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प्रश्न
What do you understand by the ‘Echolocation system of Dolphins’?
उत्तर
It is similar to that of bats. It enables the dolphin to navigate among its companions and larger objects. It also enables the dolphin to detect fish, squid, and even small shrimp.
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संबंधित प्रश्न
How is the frequency of a stretched string related it’s tension?
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?
Name the characteristic of sound in relation to its waveform
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
What are mechanical waves?
Define the term Frequency (as applied to sound waves)
Write the approximate value of the speed of sound in iron.
