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प्रश्न
High-frequency sounds that cannot be heard by you are called _______.
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उत्तर
High-frequency sounds that cannot be heard by you are called Ultrasonic.
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संबंधित प्रश्न
Distinguish between loudness and intensity of sound.
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
The speed of light in air is :
Select the correct option:
In case of longitudinal waves, the particles of the medium vibrate:
From diagram given below calculate:
- velocity of P and Q
- frequency of P, when frequency of Q is 512 Hz.
Assume that both wave are traveling in same medium.
What is the ratio of speed of light to speed of sound?
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Find the odd one out.
