Home
Class 12
PHYSICS
F(g) and F(e) represent gravitational an...

`F_(g)` and `F_(e)` represent gravitational and electrostatic force respectively between electrons situated at a distance 10 cm. The ratio of `F_(g)//F_(e)` is of the order of

A

`10^42`

B

`10`

C

`1`

D

`10^(-43)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Field and Potential)|207 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Dipole)|38 Videos

  • ELECTRONICS

    ERRORLESS |Exercise Selv Evaluation Test|23 Videos

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Self Evaluation Test|14 Videos

Similar Questions

Explore conceptually related problems

If F_g and F_e are gravitational and electrostatic forces between two electrons at a distance 0.1m then F_g//F_e is in the order of

F_g, F_e and F_n represent the gravitational electro-magnetic and nuclear forces respectively, then arrange the increasing order of their strengths

If F_(g), F_(N), F_(W) and F_(E) be the gravitational, nuclear, weak and electromagnetic forces respectively, then arrange them in proper order as per their strength.

Let E,G and N represent the magnitudes of electromasgnetic, gravitational and nkuclear forces between two electrons at a given separation. Then

The force of repulsion between two electrons at a certain distance is F. The force between two protons separated by the same distance is (m_(p)=1836 m_(e))

Two small conducting spheres of equal radius have charges + 10 muC and -20 muC respectively and placed at a distance R from each other. They experience force F_(1) . If they are brought in contact and separated to the same distance, they experience force F_(2) . The ratio of F_(1) to F_(2) is

Calculate the ratio of electrostatic to gravitational force between two electrons placed at certain distance in air. Given that m_(e)= 9.1xx10^(-31) kg,e= 1.6xx10^(-19)C and G=6.6xx10^(-11)Nm^(-2) .

Atomic radius and ionic radius of F_(g) and F_(g)^- are 72 and 136 pm prespectivley. Calculate the ratio and percentage increase in terms of volume during formation of F_(g)^(-) form F_(g) .

Formation of NO_(2)F from NO_(2) and F_(2) as per the reaction 2NO_(2)(g)+F_(2)(g)rarr2NO_(2)F(g) is a second order reaction, first order with respect to NO_(2) and first order with respect to F_(2) . If NO_(2) and F_(2) are present in a closed vessel in ratio 2:1 maintained at a constant temperature with an initial total pressure of 3 atm, what will be the total pressure in the vessel after the reaction is complete?

A block pulley arrangement is shown in the figure. If f_(1) and f_(2) represents frictional force acting on the block A and B respectively then choose the correct statement. (given g=10m//s^(2) )

ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)
  1. F(g) and F(e) represent gravitational and electrostatic force respecti...

    Text Solution

    |

  2. A cylinder of radius R and length L is placed in a uniform electric fi...

    Text Solution

    |

  3. Electric field at a point varies as r^(0) for

    Text Solution

    |

  4. An electric charge q is placed at the centre of a cube of side l. The ...

    Text Solution

    |

  5. Total electric flux coming out of a unit positive charge put in air is

    Text Solution

    |

  6. For a given surface the Gauss's law is stated asoint vecE.dvecA=0. Fro...

    Text Solution

    |

  7. A cube of side l is p laced in a uniform field E, where E=E hati. The ...

    Text Solution

    |

  8. Eight dipoles of charges of magnitude e are placed inside a cube. The ...

    Text Solution

    |

  9. A charge +q is placed at the mid point of a cube of side L. The electr...

    Text Solution

    |

  10. A charge q is placed at the centre of the open end of a cylindrical ve...

    Text Solution

    |

  11. It is not convenient to use a spherical Gaussian surface to find the e...

    Text Solution

    |

  12. In case of infinite long wire electric field is proportional to

    Text Solution

    |

  13. Electric charge is uniformly distributed along a long straight wire of...

    Text Solution

    |

  14. The SI unit of electric flux is

    Text Solution

    |

  15. q(1),q(2),q(3) and q(4) are point charges located at point as shown in...

    Text Solution

    |

  16. Gauss’s law should be invalid if

    Text Solution

    |

  17. The inward and outward electric flux for a closed surface unit of N-m^...

    Text Solution

    |

  18. If a point charge q is placed at the centre of a cube, then find out f...

    Text Solution

    |

  19. If a spherical conductor comes out from the closed surface of the sphe...

    Text Solution

    |

  20. If the electric flux entering and leaving an enclosed surface respecti...

    Text Solution

    |

  21. A charge q is located at the centre of a cube. The electric flux throu...

    Text Solution

    |