Home
Class 12
PHYSICS
A sphere of lead of mass 10 g has net ch...

A sphere of lead of mass 10 g has net charge `-25 xx 10^(-9)C`.
(i) Find the number of excess electrons on the sphere.
(ii) How many excess electrons are per lead atom ? Atomic number of lead is 82 and its atomic mass is 207 g/mol.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    DC PANDEY ENGLISH|Exercise Example Type 5|5 Videos

  • ELECTROSTATICS

    DC PANDEY ENGLISH|Exercise Example Type 6|4 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY ENGLISH|Exercise (C) Chapter exercises|50 Videos

  • GRAVITATION

    DC PANDEY ENGLISH|Exercise All Questions|135 Videos

Similar Questions

Explore conceptually related problems

One atom of an element weighs 1*8xx10^(-22) g its atomic mass is

Excess electrons are placed on a small lead sphere of mass 6.90 g so that its net charge is -3.20 xx 10^(-9)C . Find the number of excess electorns ( in terms of xx 10^(10)) on the sphere.

How many electrons, protons, and neutrons are there in an atom of atomic number 11 and mass number 24?

If mass of one atom is 3.32 xx 10^(-23)g, then calculate number of nucleons (neutrons and protons) present in 2 atoms of the element:

The average mass of an atom of uranium is 3.9xx10^(-25) kg. Find the number of atom is 1 g of uranium.

Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g . Silver has 47 electrins per atom, and its molar mass is 107.87 gmol^(-1) .

The atomic number (Z) of an element is 25. In its ground state, how many electrons are present in "N" shell ?

The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :

The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?

Find the number of g atoms and weight of an element having 2 xx 10^(23) atoms. Atomic mass of element is 32.

DC PANDEY ENGLISH-ELECTROSTATICS-Medical entrances gallery
  1. A sphere of lead of mass 10 g has net charge -25 xx 10^(-9)C. (i) Fi...

    Text Solution

    |

  2. An electric dipole is placed at an angle of 30^(@) with an electric fi...

    Text Solution

    |

  3. The electric field in a certain region is acting radially outward and ...

    Text Solution

    |

  4. A Gaussian surface in the cylinder of cross-section pia^(2) and length...

    Text Solution

    |

  5. A total charge of 5 muC is distributed uniformly on the surface of the...

    Text Solution

    |

  6. Two small spherical shells a and B are given positive charges of 9 C a...

    Text Solution

    |

  7. A point charge q is situated at a distance r from one end of a thin co...

    Text Solution

    |

  8. When 10^(19) electrons are removed from a neutral metal plate through ...

    Text Solution

    |

  9. A charge Q is uniformly distributed over a large plastic plate. The el...

    Text Solution

    |

  10. A uniform electric field E is created between two parallel ., charge...

    Text Solution

    |

  11. The line A A' is on charged infinite conducting plane which is perpend...

    Text Solution

    |

  12. The electric field at a point on equatorial of a dipole and direction ...

    Text Solution

    |

  13. Pick out the statement which is incorrect?

    Text Solution

    |

  14. An electron of mass m(e ) initially at rest moves through a certain di...

    Text Solution

    |

  15. Two charges 10 muC and - 10 muC are placed at points A. and B separate...

    Text Solution

    |

  16. A uniform electric field exists in space. Find the flux of this field...

    Text Solution

    |

  17. An inclined plane of length 5.60 m making an angle of 45^(@) with the ...

    Text Solution

    |

  18. Two charge spheres separated at a distance d exert a force F on each o...

    Text Solution

    |

  19. If a charge on the body is 1 nC, then how many electrons are present o...

    Text Solution

    |

  20. Electric field at a point of distance r from a uniformly charged wire ...

    Text Solution

    |

  21. Two equal and opposite charges of masses m(1) and m(2) are accelerated...

    Text Solution

    |