Home
Class 12
PHYSICS
A source of sound is moving with a veloc...

A source of sound is moving with a velocity of ` 50 ms ^(-1)` towards a stationary observer.The observer measures the frequency of sound as 500 Hz.The apparent frequency of sound as heard by the observer when source is moving away from him with the same speed is (Speed of sound at room temperature 350 `ms ^(-1)`

A

400 Hz

B

666 Hz

C

375 Hz

D

177.5 Hz

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise EVALUATION TEST|21 Videos

  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

A source of sound S is moving with a velocity of 50m//s towards a stationary observer. The observer measures the frequency of the source as 1000 Hz. What will be the apparent frequency of the source as 1000 Hz. What will be the apparent frequency of the source when it is moving away from the observer after crossing him? The velocity of the sound in the medium is 350m//s

A source of sound is moving away from an observer at rest with a velocity of 50 m s^(-1) . If the frequency of sound is 200 Hz , find the apparent frequency observed by the observer. (Take velocity of sound = 300 m s^(-1))

If a source of frequency n moving with velocity v crosses a stationary observer, then the change in the frequency of sound heard by the observer will be (velocity of sound = V)

A source of sound is travelling with a velocity 40 km / hour towards observer and emits sound of frequency 2000 Hz . If velocity of sound is 1220 km / hour , then what is the apparent frequency heard by an observer

A source of frequency n is moving with a uniform velocity v towards a stationary observer. If the velocity of sound is V, then the change in frequency would be -

A sound source is moving with speed 50 m//s towards a fixed observer. Frequency observed by observer is 1000Hz . Find out apparent frequency observed by observer when source is moving away from observer (Speed of sound =350 m//s )

A source of sound is travelling towards a stationary observer. The frequency of sound heard by the observer is 25 % more than the actual frequency. If the speed of sound is v , that of the source is

TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
  1. A source of sound is moving with a velocity of 50 ms ^(-1) towards a...

    Text Solution

    |

  2. A travelling wave passes a point of observation. At this point, the ti...

    Text Solution

    |

  3. When a wave travels in a medium displacement of a particle is given by...

    Text Solution

    |

  4. A wave is represented by the equation y = A sin(10pix + 15pit + (pi)...

    Text Solution

    |

  5. A transverse wave of amplitude 0.5 m and wavelength 1 m and frequency ...

    Text Solution

    |

  6. The equation of a wave is y=4 sin[(pi)/(2)(2t+(1)/(8)x)] where y ...

    Text Solution

    |

  7. The equation of a wave is y =4 sin {(pi)/(2) (2t +(x)/(8))} ,where y,x...

    Text Solution

    |

  8. The equation of a wave of amplitude 0.02 m and period 0.04 s travellin...

    Text Solution

    |

  9. The path difference between the two waves y(1)=a(1) sin(omega t-(2pi...

    Text Solution

    |

  10. The equation of a transverse travelling on a rope is given by y=10sinp...

    Text Solution

    |

  11. A wave motion has the function y=a0sin(omegat-kx). The graph in figure...

    Text Solution

    |

  12. The eqyation of wave is x= 5sin ((t)/( 0.4) -( x)/(4))cm the maximum...

    Text Solution

    |

  13. The equation of sound wave travelling along negative X-direction is gi...

    Text Solution

    |

  14. A progressive wave is represented by the equation y= 0.5 sin ( 314t- ...

    Text Solution

    |

  15. A wave of frequency 400 Hz has a phase velocity of 300 m/s The phase d...

    Text Solution

    |

  16. A prograssive wave of frequency 500 Hz is travelling with a speed of 3...

    Text Solution

    |

  17. If the speed of the wave shown in the figure is 330m//s in the given m...

    Text Solution

    |

  18. The equation of a wave is y=A sin (2pint) When it is reflected at a f...

    Text Solution

    |

  19. A bat flying above lake emits ultrasonic sound of 100 kHz ,When this w...

    Text Solution

    |

  20. Two waves are represented by y(1)= a sin (omega t + ( pi)/(6)) and y(...

    Text Solution

    |

  21. Two waves represented by the following equations are travelling in the...

    Text Solution

    |