Advertisements
Advertisements
प्रश्न
Name three animals which can hear ultrasonic vibrations.
Advertisements
उत्तर
Certain creatures like dogs, bats, dolphins, and mosquitoes can detect the waves.
APPEARS IN
संबंधित प्रश्न
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Fill in the blank.
The pitch of a sound depends on its ________.
How does a bat make use of ultrasonics waves to find its way?
How does a man’s voice differ from a woman’s voice ?
When we change a feeble sound to a loud sound, we increase its :
The time interval between a lighting flash and the first sound of thunder was found to be 6 s. If the speed of sound in air is 330 ms-1, find the distance of the flash from the observer.
What is echolocation? How do animals make use of this phenomenon?
Sound cannot travel through ______.
Write any two uses of ultrasonic sound.
Distinguish between compression and rarefactions.
