Home
Class 11
PHYSICS
Why is a clean hole made when a bullet i...

Why is a clean hole made when a bullet is fired at a glass window pane, while it is broken into pieces by a sstone thrown at it? Explain.

Promotional Banner

Topper's Solved these Questions

  • Mock test paper 1

    JBD PUBLICATION|Exercise EXERCISE|37 Videos

  • MODEL TEST PAPER - 07

    JBD PUBLICATION|Exercise EXERCISE|37 Videos

Similar Questions

Explore conceptually related problems

Why does a gun recoil when a bullet is fired from the gun ? Explain.

A fast moving bullet when hits the window pane makes a round hole while a stone strikes and shatters it, why ?

Why transparent window panes get faint if not cleaned regularly ?

Welders wear special glass goggles while working.Why?Explain.

Explain why The angle of contact of mercury with glass is obtuse, while that of water with glass is acute.

It is difficult to see through a closed glass window from the inside of a well lighted room,when it is dark outside.However,it becomes relatively easy to see outside,when the lights in the room are switched off.Explain.

JBD PUBLICATION-Mock test paper 2-EXERCISE
  1. In case of a moving source of sound approaching an observer.

    Text Solution

    |

  2. If vecA = 2 hati + 3 hatj and vecB = 2 hati +1 hatj, find the angle be...

    Text Solution

    |

  3. Why is a clean hole made when a bullet is fired at a glass window pane...

    Text Solution

    |

  4. Find the dimensins of gravitational potential energy.

    Text Solution

    |

  5. A man of mass 60 kg stands on a weighing machine in a lift which is mo...

    Text Solution

    |

  6. Define kinetic energy?

    Text Solution

    |

  7. State the principle of conservation of angular momentum.

    Text Solution

    |

  8. If a man weighs 250 N on the surface of earth, what will his wight hal...

    Text Solution

    |

  9. Why it is easer to wash clothes in hot water soap solution?

    Text Solution

    |

  10. Define cross produced of two vectors and state its propertics.

    Text Solution

    |

  11. Two buildings are 45 m apart. With what velocity must a ball be thrown...

    Text Solution

    |

  12. Define angle of friction and angle of repose. Find the relationship be...

    Text Solution

    |

  13. prove that in an elastic collision the relative velocity of approach b...

    Text Solution

    |

  14. Derive Newton's law of gravitation from Kepler's law.

    Text Solution

    |

  15. What is Stokes' law? Derive the relation by method of dimensions.

    Text Solution

    |

  16. A body cools from 60^@ C to 40^@C in 7 minutes. What will be its tempe...

    Text Solution

    |

  17. Define first law of themodynamics and expain its limitations.

    Text Solution

    |

  18. Write the postilates of kinetic theory of gases.

    Text Solution

    |

  19. Write one use of echo.

    Text Solution

    |

  20. What is simple harmonic motion and prove a simple pendulum oscillates ...

    Text Solution

    |