Home
Class 12
PHYSICS
The soldiers marching on a suspended bri...

The soldiers marching on a suspended bridge are advised to go out of steps. Why ?

Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - I)|59 Videos

  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|97 Videos

  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise EXERCISE (SHORT ANSWER QUESTIONS)|13 Videos

  • WAVE MOTION

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

  • WAVE OPTICS

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|33 Videos

Similar Questions

Explore conceptually related problems

Assertion : The soldiers marching on a suspended bridges are advised to go of steps Reason : frequency of marching step may match we the nature frequency of oscillation of bridge

A: When soldier cross a bridge, they are asked to break steps. R: If they do not break steps, then they will apply large force on bridge simutaneously.

"It is not advisable to put on wet clothes". Why?

Bridges are declared unsafe after a long use'. Why?

A platoon of soldiers marches on a road in steps accoridng to the sound of a marching band The band iS stopPed and the soldiers are ordered to break the steps while crossing the bridge. Why?

20 soldiers are standing in a row and their captain want to send 7 out of them for a mission. In how many ways can captain select them such that at least one soldier find the soldier next to him is also selected.

Answer the following : (a) Why are the connections between the resistors in a meter bridge made of thick copper strips? (b) Why is it generally preferred to obtain the balance point in the middle of the meter bridge wire?

Marching soldiers are asked to break their steps while crossing a bridge. Why?

The last soldier of an 80m long marching troops runs from the end to its front, and then it runs back to the end with the same speed. During this, the marching troop covers a distance of 150m . The distance covered by the soldier is

AAKASH SERIES-WAVE MOTION AND SOUND-EXERCISE (VERY SHORT ANSWER QUESTIONS)
  1. At resonance, the amplitude of forced oscillations is

    Text Solution

    |

  2. State the condition for the resonance to occur.

    Text Solution

    |

  3. The soldiers marching on a suspended bridge are advised to go out of s...

    Text Solution

    |

  4. Light can travel in vacuum but not sound, becaouse

    Text Solution

    |

  5. Discuss Newton’s formula for velocity of sound in air medium and apply...

    Text Solution

    |

  6. "The velocity of sound is generally greater in solids than in gas at N...

    Text Solution

    |

  7. The velocity of sound in oxygen in lesser than in hydrogen.Explain.

    Text Solution

    |

  8. Use the formula v=sqrt((gammaP)/(rho)) to explain why the speed of sou...

    Text Solution

    |

  9. Use the formula v=sqrt((gammaP)/(rho)) to explain why the speed of sou...

    Text Solution

    |

  10. Three identical sound waves pass through an air column, a brass rod an...

    Text Solution

    |

  11. Does the law of conservation of energy hold good in case of interferen...

    Text Solution

    |

  12. Two identical travelling waves, moving in the same direction are out o...

    Text Solution

    |

  13. What is the resultant displacement of the particles when a compression...

    Text Solution

    |

  14. What happens when a crest falls on the crest during superposition of w...

    Text Solution

    |

  15. What are beats? What is beat frequency?

    Text Solution

    |

  16. Mention the applications of beats,

    Text Solution

    |

  17. Distinguish between interference and beats.

    Text Solution

    |

  18. Two waves of frequencies 256 & 250 are forming beats. What will be the...

    Text Solution

    |

  19. A sound wave travelling along an air column of a pipe gets reflected a...

    Text Solution

    |

  20. What is the ratio of frequencies of harmonics in an air column of same...

    Text Solution

    |