Home
Class 12
PHYSICS
Which surface have more friction – rough...

Which surface have more friction – rough or smooth ? Why ?

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    BINA LIBRARY|Exercise EXERCISE|68 Videos
  • CURRENT ELECTRICITY

    BINA LIBRARY|Exercise EXERCISE|107 Videos
  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    BINA LIBRARY|Exercise EXERCISE|101 Videos

Similar Questions

Explore conceptually related problems

Can we have surfaces with zero friction ?

Why is steel more elastic than rubber?

Why is ICL more reactive than I_2 ?

. Which is more elastic : water or air? Why?

Why is it possible to write on rough blackboard with chalk ?

Which of the following isomers is more volatile and why o-nitrophenol or p-nitrophenol?

BINA LIBRARY-DUAL NATURE OF MATTER AND RADIATION-EXERCISE
  1. Explain why radio waves can not produce photoelectrons from metals, wh...

    Text Solution

    |

  2. Two metals X and Y have work functions 2eV and 5eV respectively. Which...

    Text Solution

    |

  3. Which surface have more friction – rough or smooth ? Why ?

    Text Solution

    |

  4. Give two examples where rolling friction is utilized

    Text Solution

    |

  5. Why are de - Broglie waves associated with a moving football not visib...

    Text Solution

    |

  6. An electron, alphaparticle and proton have the same kinetic energy .Wh...

    Text Solution

    |

  7. An electron, alphaparticle and proton have the same de- Broglie wavele...

    Text Solution

    |

  8. An electron, alphaparticle and proton have the same de- Broglie wavele...

    Text Solution

    |

  9. An electron of mass m anc charge e initially at rest is accelerated by...

    Text Solution

    |

  10. Name the two factors in which the magnitude of frictional force depend...

    Text Solution

    |

  11. An electron and a proton are having same kinetic energy. Which of them...

    Text Solution

    |

  12. A photon and an electron have the same de Broglie wavelength. Which ha...

    Text Solution

    |

  13. Explain why rainbow is never seen on the surface of the moon.

    Text Solution

    |

  14. The maximum kinetic energy of photoelectrons emitted from a surface wh...

    Text Solution

    |

  15. Define lens.

    Text Solution

    |

  16. The work function of caesium is 2.14 eV . Find Threshold frequency fo...

    Text Solution

    |

  17. The work function of caesium is 2.14 eV . Find The wavelength of inci...

    Text Solution

    |

  18. For what kinetic energy of a neutron will the associated de - Broglie ...

    Text Solution

    |

  19. Calculate the Momentum of the electrons accelerated through a potentia...

    Text Solution

    |

  20. Calculate the Momentum of the electrons accelerated through a potentia...

    Text Solution

    |