Home
Class 12
PHYSICS
Two sources S(1) and S(2) of sound havin...

Two sources `S_(1) and S_(2)` of sound having frequencies 338, 342 Hz are separated by a large distance. The speed of sound is 340 m/s. The velocity of the observer who is moving from `S_(2) " to " S_(1)` so that he does not hear any beats is

A

`1 ms^(-1)`

B

`2 ms^(-1)`

C

`3 ms^(-1)`

D

`4 ms^(-1)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A source of sound of frequency 500 Hz is moving towards an observer with velocity 30 m/s . The speed of sound is 330 m/s . the frequency heard by the observer will be

The minimum distance to hear echo (speed of sound in air is 340 m//s )

A source of sound of frequency 600Hz is placed inside of water. The speed of sound is water is 1500m//s and air it is 300m//s . The frequency of sound recorded by an observer who is standing in air is

An observer is moving away from source of sound of frequency 100 Hz. His speed is 33 m/s. If speed of sound is 330 m/s, then the observed frequency is

Two sources A and B are sounding notes of frequency 680 Hz. A listener moves from A to B with a constant velocity u. If the speed of sound is 340 m/s, What must be the value of u so that he hears 10 beats per second?

A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500 m//s and in air it is 300 m//s . The frequency of sounds recorded by an observer who is standing in air is :-

AAKASH INSTITUTE-TEST 6-EXAMPLE
  1. A cylindrical tube, is open at both the ends, it has fundamental frequ...

    Text Solution

    |

  2. A tuning fork of frequency 512 Hz is vibrated with a sonometer wire a...

    Text Solution

    |

  3. The two waves of the same frequency moving in opposite direction give ...

    Text Solution

    |

  4. Consider a vertical uniform string having mass per unit length lambda....

    Text Solution

    |

  5. The equation of travelling wave is y=asin(bt+cx) then the ratio of wav...

    Text Solution

    |

  6. A block is hanging in a lift as shown in figure. If lift is falling fr...

    Text Solution

    |

  7. For a particle which is undergoing simple harmonic motion, the square ...

    Text Solution

    |

  8. Two sources S(1) and S(2) of sound having frequencies 338, 342 Hz are ...

    Text Solution

    |

  9. A boy blowing a whistle of frequency f0 is walking directly away from ...

    Text Solution

    |

  10. The sound level of a dog's bark is 50 dB. The intensity of a rock conc...

    Text Solution

    |

  11. A string is fixed between two rigid support. Mass per unit length of t...

    Text Solution

    |

  12. Which of the following statement is incorrect?

    Text Solution

    |

  13. Select the correct option regarding simple harmonic motion.

    Text Solution

    |

  14. The equation of motion of a particle starting at t=0 is given by x=5si...

    Text Solution

    |

  15. A small block oscillates back and forth on a smooth concave surface of...

    Text Solution

    |

  16. A particle is performing simple harmonic motion on a straight line wit...

    Text Solution

    |

  17. A particle is performing a motion on the x-axis with its position give...

    Text Solution

    |

  18. The internal energy of an ideal gas is sum of total kinetic energy of ...

    Text Solution

    |

  19. An ideal gas has pressure P, volume V and temperature T. Select the co...

    Text Solution

    |

  20. The mean free path of molecules of an ideal gas of diameter d id propo...

    Text Solution

    |