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प्रश्न
What is an ultrasonic sound?
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उत्तर
A sound with a frequency greater than 20000 Hz is called an ultrasonic sound.
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संबंधित प्रश्न
Name the subjective property of sound related to its frequency.
The pitch of sound increases if its frequency ______.
If the amplitude of a sound is halved, its loudness becomes ______.
Name the characteristic which enables one to distinguish the sound of two musical instruments even if they are of the same pitch and same loudness.
State the factor that determine the pitch of a note.
If the thickness of a vibrating string is increased, its pitch _____.
The town hall building is situated close to Boojho’s house. There is a clock on the top of the town hall building which rings the bell every hour. Boojho has noticed that the sound of the clock appears to be much clearer at night. Explain.
The pitch is the characteristic of sound that enables us to distinguish between a flat sound and a shrill sound.
On which factor pitch of the sound depends?
Find the odd one out.
