Advertisements
Advertisements
प्रश्न
What are infrasonics?
एका वाक्यात उत्तर
Advertisements
उत्तर
The sound wave of frequency below 20 Hz is called infrasonic.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
What is the nature of sound waves in air?
Can sound waves be reflected?
A girl claps and hears the echo after reflection from a cliff which is 660 m away. If the velocity of sound is 330 ms-1, calculate the time taken for hearing the echo.
Define the term wavelength applied to a sound wave.
Arrange the speed of sound in gases Vg, solids Vs and liquids VLin an ascending order.
Arrange the speeds of sound in gases, solids, and liquids in ascending order.
A medium is necessary for ______ of sound.
Select the correct option:
If the frequency of a wave is 25 Hz. the total number of compressions and rarefactions passing through a point in 1 second is :
Explain the types of mechanical waves.
Assertion: The sound of thunder is heard a little later than the flash of light.
Reason: The speed of sound is much less than the speed of light.
