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प्रश्न
What do you understand by the ‘Echolocation system of Dolphins’?
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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.
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
What is the condition necessary for an echo to be heard distinctly?
How do bats avoid obstacles in their way, when in flight?
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
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)
What are fishing boats?
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
What is meant by an echo? Explain.
