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प्रश्न
What is an ultrasonic sound?
उत्तर
A sound with a frequency greater than 20000 Hz is called an ultrasonic sound.
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संबंधित प्रश्न
The pitch of sound increases if its frequency ______.
If the amplitude of a sound is halved, its loudness becomes ______.
State the factor that determine the pitch of a note.
Name the characteristic of the sound affected due to a change in its frequency.
- Define pitch.
- Two wires AB and CD of same length are stretched by same amount. Which wire will produce a sound of greater pitch on plucking?
- Give a reason for your answer.
The town hall building is situated close to Boojho’s house. There is a clock on the top of the townhall 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 of sound is determined by its ______.
The voice of a female has a lower pitch than a male.
On which factor pitch of the sound depends?
Find the odd one out.
