Home
Class 11
PHYSICS
Two plane harmonic sound waves are expre...

Two plane harmonic sound waves are expressed by the equations.
`y_(1)(x,t)=A cos (0.5 pi x-100 pit), y_(2)(x,t)=A cos(0.46 pix-92pi t)` (All parameters are in MKS) :
At x=0 how many times the amplitude of `y_(1) + y_(2)` is zero in one second :-

A

`200 m//s`

B

`180 m//s`

C

`192 m//s`

D

`96 m//s`

Text Solution

Verified by Experts

The correct Answer is:
A
`v = (omega)/(k) = (100pi)/(0.5pi)`
Speed `v = 200`
Promotional Banner

Topper's Solved these Questions

  • SOUND WAVES

    RESONANCE ENGLISH|Exercise Exercise- 3 PART - II|1 Videos

  • SIMPLE HARMONIC MOTION

    RESONANCE ENGLISH|Exercise Exercise|28 Videos

  • STRING WAVES

    RESONANCE ENGLISH|Exercise Exercise|32 Videos

Similar Questions

Explore conceptually related problems

Two plane harmonic sound waves are expressed by the equations. y_(1)(x,t)-A cos (0.5 pi x-100 pit), y_(2)(x,t)=A cos(0.46 pix-92pi t) (All parameters are in MKS) : How many times does an observer hear maximum intensity in one second :-

Two plane harmonic sound waves are expressed by the equations y_(1)(x,t)=Acos((pi)/(2)x-100pit) y_(2)(x,t)=Acos((46pi)/(100)x-92pit) All quantities taken in MKS. Q. What is the speed of the sound?

Two plane harmonic sound waves are expressed by the equations y_(1)(x,t)=Acos((pi)/(2)x-100pit) y_(2)(x,t)=Acos((46pi)/(100)x-92pit) All quantities taken in MKS. Q. how many times does an observer hear maximum intensity in one second?

The amplitude of a wave represented by the equation y=3sin(5x-0.5t)+4cos(5x-0.5t) , is

Waves y_(1) = Acos(0.5pix - 100pit) and y_(2)=Acos(0.46pix - 92pit) are travelling along x-axis. (Here x is in m and t is in second) (3) The number of times y_(1) + y_(2) = 0 at x = 0 in 1sec is

Waves y_(1) = Acos(0.5pix - 100pit) and y_(2)=Acos(0.46pix - 92pit) are travelling along x-axis. (Here x is in m and t is in second) (3) The number of times y_(1) + y_(2) = 0 at x = 0 in 1sec is

Two simple harmonic motions are represented by the equations y_(1) = 10 sin(3pit + pi//4) and y_(2) = 5(sin 3pit + sqrt(3)cos 3pit) their amplitude are in the ratio of ………… .

Two simple harmonic motions are represented by the equations. y_(1)=10"sin"(pi)/(4)(12t+1),y_(2)=5(sin3pt+sqrt(3)cos3pt) the ratio of their amplitudes is

Two waves y_(1) = A cos (0.5 pi x - 100 pi t) and y_(2) = A cos (0.46 pi x - 92 pi t) are travelling in a pipe placed along the x - axis. Find wave velocity of louder sound

Waves y_(1) = Acos(0.5pix - 100pit) and y_(2)=Acos(0.46pix - 92pit) are travelling along x-axis. (Here x is in m and t is in second) (2) The wave velocity of louder sound is

RESONANCE ENGLISH-SOUND WAVES-Exercise- 3 PART - I
  1. An open pipe is in resonance in 2nd harmonic with frequency f(1). Now ...

    Text Solution

    |

  2. Two plane harmonic sound waves are expressed by the equations. y(1)(...

    Text Solution

    |

  3. Two plane harmonic sound waves are expressed by the equations. y(1)(...

    Text Solution

    |

  4. Two plane harmonic sound waves are expressed by the equations. y(1)(...

    Text Solution

    |

  5. Two trains A and B moving with speeds 20m//s and 30m//s respectively i...

    Text Solution

    |

  6. Two trains A and B are moving with speeds 20 m/s and 30 m/s, respectiv...

    Text Solution

    |

  7. Two trains A and B are moving with speeds 20 m//s respectively in the ...

    Text Solution

    |

  8. A vibrating string of certain length l under a tension T resonates wit...

    Text Solution

    |

  9. A student performed the experiment to measure the speed of sound in ai...

    Text Solution

    |

  10. A stationary source is emitting sound at a fixed frequency f(o), which...

    Text Solution

    |

  11. hollow pipe of length 0.8 m is closed at one end. At its open end a 0....

    Text Solution

    |

  12. A police car with a siren of frequency 8 kHz is moving with uniform ve...

    Text Solution

    |

  13. A person blows into the open-end of a long pipe. As a result, a high-p...

    Text Solution

    |

  14. A student is performing the experiment of resonance column. The diamet...

    Text Solution

    |

  15. Two vehicles, each moving with speed u on the same horizontal straight...

    Text Solution

    |

  16. A student is performing an experiment using a resonance column and a t...

    Text Solution

    |

  17. Four harmonic waves of equal frequency and equal intensity I(0) have p...

    Text Solution

    |

  18. An observer moves towards a stationary source of sound with a velocity...

    Text Solution

    |

  19. A whistle producing sound waves of frequencies 9500 Hz and above is ap...

    Text Solution

    |

  20. A sound absorber attenuates the sound level by 20 dB. The intensity de...

    Text Solution

    |