Advertisements
Advertisements
प्रश्न
What is echolocation? How do animals make use of this phenomenon?
Advertisements
उत्तर
Echolocation is defined as sending out sounds to judge the location, size, and motion of objects from the returning echoes. The animals use this phenomenon to locate the obstacles in their path and avoid them so it helps them in navigation and to locate their prey.
APPEARS IN
संबंधित प्रश्न
What are infrasonics? Can you hear them?
List four substances which are good absorbers of sound.
Which wave property determines pitch?
Name the two types of waves which can be generates in a long flexible spring (or slinky).
Define the term amplitude of a wave. Write its S.I. unit.
The separation between two consecutive crests in a transverse wave is 100 m. If wave velocity is 20 m s-1, find the frequency of wave.
Draw a displacement-time graph for water wave.
The sound of which of the following frequency is audible to us?
2 Hz, 1000 Hz, 200 kHz, 8 MHz
The speed of sound in air at 0°C is ______.
