Bissoy.com
Doctors Medicines MCQs Q&A

The general range of audible frequencies for human is-

The general range of audible frequencies for human is- Correct Answer 20 Hz to 20,000 Hz

Explanation:

Sound: A sound is a form of energy that produces the sensation of hearing in our ears.

  • When a source of sound vibrates, it creates a disturbance in the medium. The particles of the medium vibrate in their mean position to transfer this disturbance.
  • So, the particles move forward and backward about their mean position, creating regions of compression and rarefaction.
  • Hence, a sound wave travels in a series of compression and rarefactions.
  • Due to this nature of the transfer of sound energy, sound always requires a medium to propagate.
  • Depending on the frequency of sound waves, they are classified as follows:
Audible sound
  • This is the type of sound that humans can hear.
  • It lies in the frequency range of 20 Hz to 20 kHz.
Ultrasonic sound
  • This is the type of sound with frequencies higher than the audible range of human hearing.
  • The frequency range of ultrasonic sound is > 20 kHz.
Infrasonic sound
  • This is the type of sound with frequencies lower than the audible range of human hearing.
  • The frequency range of infrasonic sound is < 20 Hz.

The particles of a medium move forward and backward to create regions of compression and rarefaction. This is parallel to the direction of the sound wave.

  • Audible sound waves have a frequency range of 20 to 20 kHz.
  • Sound waves require a medium to travel. A vacuum is the absence of matter i.e. there will be no particles present in it to propagate sound. So, the sound does not travel in a vacuum.

Related Questions

Which of the following statements are correct? 1. A lowpass filter passes low frequencies and stops high frequencies. 2. A highpass filter passes high frequencies and rejects low frequencies 3. A bandpass filter passes frequencies within a frequency band and attenuates frequencies outside the band. 4. A bandstop filter passes frequencies within the band and blocks/attenuates frequencies outside a frequency band.
"Too often we try to solve human problem with non-human tools and in terms of non-human data. It is my simple thesis that a human problem requires a human solution. First we have to learn to recognise a human problem when we see one; and second, upon recognising it, we have to learn to deal with it as such and not as it were something else. A human problem to be brought to a human solution requires human data and human tools". Who said this?
The sound waves in the human audible range have frequencies in the range of - 
What is the range of frequencies of sound waves audible to human beings?
Consider the following statements: i. The lock range of a PLL is the difference between the highest and lowest frequencies that the PLL can remain in lock onto. ii. The capture range of a PLL is the range of frequencies that the voltage controlled oscillator of a PLL can produce. iii. PLL can be used to synchronize the horizontal and vertical oscillators of TV receivers to incoming sync pulses. Which of the above statements is/are correct?
Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s). Statement: Recent research says listening to specific types of frequencies have a positive effect on human brain and it aids in healing. Conclusions: I. Human brain responds to music. II. Certain frequencies are used to heal diseases in human body.
Read the give statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statements(s). Statement: Recent research says listening to specific types of frequencies have a positive effect on human brain and it aids in healing. Conclusion: I. Human brain responds to music. II. Certain frequencies are used to heal diseases in human body.
A filter that passes all frequencies lying outside a certain range, while it attenuates all frequencies between the two designated frequencies is called?
The audible range of hearing for average human beings is in the frequency range of 
Sound of which of the following frequencies would be audible to a human being?