Advertisements
Advertisements
प्रश्न
Can two person hear each other on moon’s surface ? Give reason to support your answer.
Advertisements
उत्तर
No, we cannot hear each other since sound requires medium for transmission. It cannot travel through vacuum.
APPEARS IN
संबंधित प्रश्न
The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.
Fill in the blank with suitable word.
Sound cannot travel through ____________.
The sound waves travel fastest :
State two properties of medium on which the speed of sound in it depends.
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
What is the approximate value of the speed of sound in air at N.T.P.?
Can we hear sounds of frequencies:
Less than 20 Hz
Does audible range of frequency vary from person and also with the age of the person?
How are bats able to avoid obstacles in their way?
The amount of water vapour present in the air is known as ______.
