Home
Class 11
PHYSICS
The minimum intensity of audibility of ...

The minimum intensity of audibility of a source is `01^(-12) "watt"//m^(2)`. If the frequency of the note is 1000 Hz, calculate the amplitude of vibrations of air particles. Density of air `= 1.293 kg m^(-3)` and velocity of sound `=340 ms^(-1)`
`["Hint " a = sqrt((I)/(2pi^(2)n^(2)rhoC)) ]`

Text Solution

Verified by Experts

The correct Answer is:
`1.07 xx 10^(-11) m`
Promotional Banner

Topper's Solved these Questions

  • INTENSITY AND PITCH OF MUSICAL NOTES

    NN GHOSH|Exercise EXERCISE|14 Videos

  • HYDROSTATICS

    NN GHOSH|Exercise EXERCISES|59 Videos

  • ISOTHERMAL AND ADIABATIC PROCESS

    NN GHOSH|Exercise All Questions|29 Videos

Similar Questions

Explore conceptually related problems

Calculate the intensity of a note of frequency 1000 Hz if the amplitude of vibration is 10^(-9) cm . Density of air = 1.3 kg m^(-3) and velocity of sound = 340 m s^(-1)

The minimum intensity of audibility of sound is 10^(-12) W//m^(2) s and density of air = 1.293 kg//m^(3) . If the frequency of sound in 1000 Hz , then the corresponding amplitude the vibration of the air particles is [ Take velocity of sound = 332 m//s ]

A note of frequency 300 Hz has an intensity of 1 microwatt per square metre. What is the amplitude of the air vibrations caused by this sound ? (Density of air = 1.293 kg m^(-3) and velocity of sound in air = 332 ms^(-1) )

If the density of air at NTP is 1.293kg//m^(3) and gamma=1.41 , then the velocity of sound in air at NTP is :

A sound wave having a frequency of 100 Hz and pressure amplitude of 10 pa, then calculate the displacement amplitude (Given speed od sound in air = 340 m/s and density of air = 1.29 kg/m^(3) )

Plane harmonic waves of frequency 500 Hz are produced in air with displacement amplitude of 10mum . Given that density of air is 1.29(kg)/(m^3) and speed of sound in air is 340(m)/(s) . Then

Calculate the amplitude of vibrations of air particles when a wavee of intensity 10^(-3) "watt"//m^(2) is produced by a tuning fork of frequency 540 Hz. Velocity of sound in air = 340 m s^(-1) and density of air = 1.3 kg m^(-3)

A sound wave of frequency 280 Hz has an intensity of 1.00 W//m2 ? What is the amplitude of the air oscillations caused by this wave?

The wavelength of sound emitted by a source is 1.7 xx 10^(-2)m . Calculate frequency of the sound, if its velocity is 343.4 ms^(-1) .