Home
Class 12
PHYSICS
A man sets his watch by the noon-whistle...

A man sets his watch by the noon-whistle of a factory at a distance of `1.5` kilometers. By how many seconds is his watch slower than the clock of the factory? (Velocity of sound in air is `332 m s^(-1)`)

Text Solution

Verified by Experts

The correct Answer is:
B, D
Promotional Banner

Topper's Solved these Questions

  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|30 Videos

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|28 Videos

  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerica Problem for Preparation|23 Videos

Similar Questions

Explore conceptually related problems

A man sets his watch by the sound of a siren placed at a distance 1 km away . If the velocity of sound is 330 m//s

The minimum distance to hear an echo is (Taking the velocity of sound in air to be 330 m s^(-1) )

If a thunder clap is heard 5.5 s later than the lighting flash observed from the earth, then the distance of the flash will be (Velocity of sound in air 330 m/s)

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

When a train is at a distance of 2 km , its engine sounds a whistle . A man near the railway track hears the whistle directly and by placing his ear against the track of the train. If the two sounds are heard at an internal of 5.2 s, the speed of the sound in iron ( material of the rail track ) is : (Given that velocity of sound in air is 330 m s ^(_1) )

A man stands at a distance of 250 m from a wall. He shoots a rifle and hears the echo after 1.3 seconds. Calculate the velocity of sound.

An observer sets his watch by the sound of a signal fired from a tower yet he finds that his watch is slow by 5 s. Find the distance of the tower from the observer.The temperature of air during the observation is 20^@ C and the velocity of sound in air at 0^@ C is 332 ms^(-1) .

A bullet travels horizontally at 660 m"/"s at a height of 5 m from a man. How far is the bullet from the man when he hears its whistle ? Velocity of sound in air = 340 m"/"s .

PHYSICS GALAXY - ASHISH ARORA-WAVES -Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO
  1. A sensitive microphone with its receiving surface turned towards a lon...

    Text Solution

    |

  2. A tuning fork of frequency 341 Hz is vibrated just over a tube of len...

    Text Solution

    |

  3. A man sets his watch by the noon-whistle of a factory at a distance of...

    Text Solution

    |

  4. Two tuning frok when sounded together give 4 beats per second.One is i...

    Text Solution

    |

  5. A bridges is placed under the string the of a monochord at a point ne...

    Text Solution

    |

  6. A whistle emitting a sound of frequency 440 Hz is tied to a string of...

    Text Solution

    |

  7. An under-water swimmer sends a sound signal to the surface. If it prod...

    Text Solution

    |

  8. One end of a string of length 120 cm is tied to a peg and other is att...

    Text Solution

    |

  9. The minimum intensity of audibility of a source is 10^(-12) "watt"//m...

    Text Solution

    |

  10. A plane wave zeta= A cos (omega t-kx) propagates in the reference fram...

    Text Solution

    |

  11. The intensity of a sound wave 20 m away from the sound source is 3 xx ...

    Text Solution

    |

  12. A load of 20 kg is suspended by a steel wire as shown in figure-6.109....

    Text Solution

    |

  13. A policemen blows a whistle of frequency 330 Hz as a car speeds and pa...

    Text Solution

    |

  14. A wire ofuniform cross-section is suspended vertically from a fixed po...

    Text Solution

    |

  15. Standing waves are produced by superposition of two waves y(1) = 0.0...

    Text Solution

    |

  16. A ship steams towards a hill in the sea and sounds its siren and the e...

    Text Solution

    |

  17. A source of sonic oscillations with frequency and a receiver are locat...

    Text Solution

    |

  18. An organ pipe 17 cm long open at one end radiates a tone of frequency ...

    Text Solution

    |

  19. A string 25cm long and having a mass of 2.5 gm is under tension. A pip...

    Text Solution

    |

  20. One end of each of two identical springs, each of force constant 0.5N/...

    Text Solution

    |