Home
Class 12
PHYSICS
A man standing at some distance from a c...

A man standing at some distance from a cliff hears the echo of sound after 2s. He walks 495 m away from the cliff. He produces a sound there and recieves the echo after 5s. What is the speed of sound?

Text Solution

Verified by Experts

`330m//s`
Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|81 Videos

  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise EXERCISE (VERY SHORT ANSWER QUESTIONS)|25 Videos

  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET ADVANCED (INTEGER TYPE QUESTIONS)|10 Videos

  • WAVE OPTICS

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|20 Videos

Similar Questions

Explore conceptually related problems

A stone is dropped from top of a cliff.It is seen to hit the ground below after 4.2 s. How high is the cliff?

A man stands in front of a hillock and fires a gun. He hears an echo after 1.5s. The distance of the hillock from the man is (velocity of sound in air is 330ms^-1 )

A source of sound of frequency 640 Hz is moving at a velocity of 100/3m//s along a road, and is at an instant 30m away from pint A on the road (as shown in figure. A person standing at O, 40m away from the road hears sound of apperent frequency v'. The value of v' is (velocity of sound = 340m//s )

AAKASH SERIES-WAVE MOTION AND SOUND-PROBLEMS (LEVEL - I)
  1. An organ pipe has two successive harmonics withb frequencies 400 and 5...

    Text Solution

    |

  2. The fundamental frequency of a closed organ pipe is 220 Hz. Find t...

    Text Solution

    |

  3. The fundamental frequency of a closed organ pipe is 220 Hz. The sec...

    Text Solution

    |

  4. A source of frequency 10 kHz when vibrated over the mouth of a closed ...

    Text Solution

    |

  5. A closed pipe and an open pipe of same length produce 2 beats, when th...

    Text Solution

    |

  6. A tuning fork produces 4 beats per second with the other tuning fork o...

    Text Solution

    |

  7. Two tuning forks when sounded together produce 5 beats in 2 seconds. T...

    Text Solution

    |

  8. Two progressive waves y(1) = 4 sin 400 pi t and y(2) = 3 Sin 404 pi t ...

    Text Solution

    |

  9. Calculate the frequency of beats produced in air when two sources of s...

    Text Solution

    |

  10. Two sitar string A and B playing the note 'Ga' are slightly out of tun...

    Text Solution

    |

  11. The frequency of a tuning fork 'A' is 2% greater than that of a standa...

    Text Solution

    |

  12. A man standing at some distance from a cliff hears the echo of sound a...

    Text Solution

    |

  13. A motor car approaching a cliff with a velocity of 90 kmph sounds the ...

    Text Solution

    |

  14. A person standing between two parallel hills fires a gun. He hears the...

    Text Solution

    |

  15. A tuning fork of unknown frequency makes 5 beats per second with anoth...

    Text Solution

    |

  16. A traffic policeman standing on a road sounds a whistle emitting the m...

    Text Solution

    |

  17. A person riding a car moving at 72 km/h sounds a whistle emitting a wa...

    Text Solution

    |

  18. A person riding a car moving at 72 km/h sounds a whistle emitting a wa...

    Text Solution

    |

  19. A car moving at 108 km/h finds another car in front of it going in the...

    Text Solution

    |

  20. A tuning fork of frequency 328 Hz is moved towards a wall at a speed o...

    Text Solution

    |