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संबंधित प्रश्न
Why are the ceilings of concert halls curved?
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
What is the condition necessary for an echo to be heard distinctly?
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey
Explain how is the principle of echo used by
(a) The bat during its flight at night,
(b) The dolphin to locate small fish as its prey.
Define the term Frequency (as applied to sound waves)
What is meant by echo depth sounding?
When a sound is made from a distance of 18 m, in front of a tall building, it is found to get repeated again. Which phenomenon is associated with this observation? Give a brief explanation of this phenomenon?
What is meant by an echo? Explain.
