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प्रश्न
Name the device used by doctors to listen to our heartbeats.
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उत्तर
A stethoscope is a device used by doctors to listen to our heart beats.
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संबंधित प्रश्न
What is reverberation?
What name is given to the repetition of sound caused by the reflection of sound waves ?
What is reverberation ? What will happen if the reverberation time in a big hall is too long ?
How can reverberations in a big hall or auditorium be reduced ?
Explain by giving a scientific reason.
The roof of a movie theatre and a conference hall is curved.
The repeated reflection that results in persistence of sound is called ______.
Why do we hear the sound produced by the humming bees while the sound of vibrations of the pendulum is not heard?
The distance of underwater objects can be deduced by the formula ______.
What is Reverberation?
Why are the roots and walls of the auditorium covered with rough plaster?
