Advertisements
Advertisements
प्रश्न
How are bats able to avoid obstacles in their way?
Advertisements
उत्तर
Bats emit the high frequencies that range between 20 KHz to 75 KHz. The echoes from these sounds help in locating the obstacles in their path and to avoid them.
APPEARS IN
संबंधित प्रश्न
Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
Sound can travel through ______.
In which medium sound travels faster : air or iron?
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
Give scientific reasons:
As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.
The propagation of sound does not occur through a ______.
Can we hear sounds of frequencies:
More than 20 KHZ
Does audible range of frequency vary from person and also with the age of the person?
The amount of water vapour present in the air is known as ______.
The small to and fro motion is called vibration.
