Home
Class 11
PHYSICS
A sound wave of frequency 80 Hz is trave...

A sound wave of frequency `80 Hz` is travelling with speed `320 m//s`.
(a) Find the change in phase at a given position in `400 ms`
(b) Find the phase difference between two positions seperated by `20 cm` at a particular instant.

Text Solution

Verified by Experts

The correct Answer is:
(a) `2 pi fDeltat = 64 pi` , (b) `(2pifDeltax)/(v) = (pi)/(10)`
Promotional Banner

Topper's Solved these Questions

  • SOUND WAVES

    RESONANCE|Exercise Exercise- 1 PART - II|30 Videos

  • SOUND WAVES

    RESONANCE|Exercise Exercise- 2 PART - I|25 Videos

  • SOUND WAVES

    RESONANCE|Exercise Board Level Exercise|33 Videos

  • SIMPLE HARMONIC MOTION

    RESONANCE|Exercise Exercise|28 Videos

  • STRING WAVES

    RESONANCE|Exercise Exercise|32 Videos

Similar Questions

Explore conceptually related problems

The audible frequency for a normal human being is 20 Hz to 20 kHz . Fuind the corresponding wavelengths if the speed of sound in air 320 m//s . (b) Find the phase difference between two position separated by 20 cm at a particular instant.

A sound wave of frequency 10 kHz is travellilng in air with a speed of 340 ms^-1 . Find the minimum separation between two points where the phase difference is 60^@ .

A sound wave of frequency 100 Hz is travelling in air. The speed of sound in air is 350 ms^-1 (a) By how much is the phase changed at a given point in 2.5 ms ? (b) What is the phase difference at a given instant between two points separated by a distance of 10.0 cm along the direction of propagation ?

A wave of frequency 500 Hz has a wave velocity of 350 m//s . (a) Find the distance between two points which are 60@ out of phase. (b) Find the phase difference between two displacement at a certain point at time 10^(-3) s apart.

A progressive wave of frequency 50 Hz is travelling with a velocity of 350 m/s. through a medium. What is the change in phase at a given place in time interval of 0.01 second ?

A sinusoidal wave of frequency 500 Hz has a speed of 320 m/s. (a) How far apart are two points that differ in phase by pi//3 rad? (b) What is the phase difference between two displacements at a certain point at times 1.00 ms apart?

A sound wave of frequency 160 Hz has a velocity of 320 m/s. When it travels in air, the particles having a phase difference of 90^(@) , are separated by a distance of

A wave of frequency 20 Hz is propagatinig is space with speed 200 m/s. the phase difference of the two points of wave separated by a distance 5 m is

A sound wave having a frequency of 500 Hz travels with a velocity of 360 m/s. What is the distance between two particles on this wave, who have a phase difference of 60^(@) ?

RESONANCE-SOUND WAVES-Exercise- 1 PART - I
  1. The audible frequency for a normal human being is 20 Hz to 20 kHz. Fui...

    Text Solution

    |

  2. A sound wave of frequency 80 Hz is travelling with speed 320 m//s. (...

    Text Solution

    |

  3. A travelling sound wave is described by the equation y = 2sin(4t - 5x)...

    Text Solution

    |

  4. The pressure at a point varies from 99980 Pa to 100020 Pa due to simpl...

    Text Solution

    |

  5. Find the minmimum and maximum wavelengths of sound in water that is in...

    Text Solution

    |

  6. A man stands before a large wall a large will at a distance of 100.0 m...

    Text Solution

    |

  7. Find the speed of sound in a mixture of 1 mole of helium and 2 moles o...

    Text Solution

    |

  8. A gas mixture has 24% of Argon, 32% of oxygen, and 44% of CO(2) by mas...

    Text Solution

    |

  9. Two sound waves one in air and the other in fresh water are equal in i...

    Text Solution

    |

  10. A point A is located at a distance r = 1.5 m from a point source of so...

    Text Solution

    |

  11. Two point sound sources A and B each to power 25pi w and frequency 850...

    Text Solution

    |

  12. Two identical loudspeakers are located at point A & B, 2 m apart. The ...

    Text Solution

    |

  13. A sound sources, detector and a movable wall are arranged as shown in ...

    Text Solution

    |

  14. Two source of sound, S(1) and S(2), emitting waves of equal wavelength...

    Text Solution

    |

  15. A sound source, detector and a cardboard are arranged as shown in figu...

    Text Solution

    |

  16. A metallic rod of length 1m is rigidly clamped at its end points. Long...

    Text Solution

    |

  17. The equation of a longitudinal standing wave due to superposition of t...

    Text Solution

    |

  18. A closed organ pipe has length L. The air in it is vibrating in thirf ...

    Text Solution

    |

  19. The speed of sound in an air column of 80 cm closed at one end is 320 ...

    Text Solution

    |

  20. In an organ pipe the distance between the adjacent node is 4 cm. Find ...

    Text Solution

    |