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प्रश्न
Can we hear sounds of frequencies:
Less than 20 Hz
उत्तर
Less than 20Hz - we cannot hear the sound.
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
Sound can travel in a ______
Is the speed of sound more in water or in steel?
Describe an experiment to show that sound cannot pass through vacuum.
Fill in the blank with suitable word.
Sound cannot travel through ____________.
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.
Compare approximately the speed of sound in air, water and steel.
Describe an experiment to prove that a material medium is necessary for the propagation of sound.
Can we hear sounds of frequencies:
More than 20 KHZ
State three characteristics of the medium required for the propagation of sound.
______ is the number of vibrations of a particle in the medium, in one second
