Advertisements
Advertisements
प्रश्न
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
रिक्त स्थान भरें
उत्तर
An average person can hear sound of frequencies in the range 20 Hz to 20 kHz.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
The sketches I to IV in following Figure show sound waves, all formed in the same time interval.
![]() |
![]() |
I | II |
![]() |
![]() |
III | IV |
Which diagram shows
- a note from a musical instrument
- a soft (or feeble) note,
- a bass (low frequency) note.
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
1000 Hz
Name the sound of the frequency given below:
40 kHz
The properties of ultrasound that make it useful are
What is Galton’s whistle? To what use is it put?
What are ultrasonic? State and explain two applications of ultrasounds.
What is echocardiography?
State the main components of a hearing aid.
Bats produce ______ sound during screaming.