Home
Class 11
PHYSICS
Why does a flag flutter, when strong win...

Why does a flag flutter, when strong winds are blowing on a certain day?

Text Solution

Verified by Experts

The kinetic energy of the wind at the top is more. Hence pressure decreases. Due to difference in pressure, the flag flutters.
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (NUMERICAL PROBLEMS)|56 Videos

  • PROPERTIES OF MATTER

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (LONG ANSWER QUESTIONS)|20 Videos

  • OSCILLATIONS

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS ( CONCEPTUAL QUESTIONS.)|24 Videos

  • QUESTION PAPER MARCH 2019

    PREMIERS PUBLISHERS|Exercise Part- IV|23 Videos

Similar Questions

Explore conceptually related problems

Why does a pilot not fall down, when his aeroplane loops a vertical loops ?

Why does a gun recoils when a bullet is being fired?

(a) Why does sound travel faster on a rainy day than on a dry day? (b) Write the use of radioactive isotopes used in industries?

Why does a ray of light bend when it travels from one medium to another?

(i) A torch bulb is rated at 3V and 600 ma . Calculate it's (a) power (b) resistance (c) energy consumed if it used for 4 hours. (ii) Why does sound travel faster on a rainy day than on a dry day ?

A sound source and listener are both stationary and a strong wind is blowing. Is there a Doppler effect?

PREMIERS PUBLISHERS-PROPERTIES OF MATTER-OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)
  1. Why machine parts are not jammed in the summer?

    Text Solution

    |

  2. Which fall faster-big rain drops or small rain drops?

    Text Solution

    |

  3. Why does a flag flutter, when strong winds are blowing on a certain da...

    Text Solution

    |

  4. Why hot soup tastes better than cold soup?

    Text Solution

    |

  5. Why new earthen pots keep water cooler than the old one?

    Text Solution

    |

  6. Explain why some oils spread on water, when others float as drops.

    Text Solution

    |

  7. Out of friction force and viscous force which depends upon velocity.

    Text Solution

    |

  8. What will be the velocity of water when it passes from narrow tube to ...

    Text Solution

    |

  9. Two identical solid balls, one of ivory and the other of wet-clay, are...

    Text Solution

    |

  10. Why aeroplanes and cars have streamline shape?

    Text Solution

    |

  11. How do insects run on the surface of water?

    Text Solution

    |

  12. Why hot water is preferred to cold water for washing clothes?

    Text Solution

    |

  13. Why the blood pressure in humans is greater at the feet than at the br...

    Text Solution

    |

  14. A person standing near a speeding train has a danger of falling toward...

    Text Solution

    |

  15. Why a small bubble rises slowly through a liquid whereas the bigger bu...

    Text Solution

    |

  16. Mercury does not wet the glass. Why?

    Text Solution

    |

  17. A needle floats in clean water, but sinks in soap solution. Why?

    Text Solution

    |

  18. A piece of chalk when immersed in water emits bubbles. Why?

    Text Solution

    |

  19. Small bits of camphor dance about in clear water but not on one contam...

    Text Solution

    |

  20. Oil calms the stormy waves on the sea. Why?

    Text Solution

    |