Home
Class 12
PHYSICS
A particle of mass m having negative cha...

A particle of mass m having negative charge q moves along an ellipse around a fixed positive charge Q so that its maximum and minimum distances from fixed charge are equal to `r_(1) " and " r_(2)` respectively. Calculate angular momentum L of this particle:

Text Solution

Verified by Experts

The correct Answer is:
[`sqrt((mr_(1)r_(2)Qq)/(2piepsi_(0)(r_(1)+r_(2))))`]
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|40 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos

  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|107 Videos

Similar Questions

Explore conceptually related problems

A planet of mass m moves along an ellipse around the Sun so that its maximum and minimum distances from the Sun are equal to r_1 and r_2 respectively. Find the angular momentum M of this planet relative to the centre of the Sun.

A planet of mass m moves along an ellipse around the sun so that its maximum and minimum distance from the sun are equal to r_(1) and r_(2) respectively. Find the angular momentum of this planet relative to the centre of the sun. mass of the sun is M .

A planet of mass m revolves in elliptical orbit around the sun of mass M so that its maximum and minimum distance from the sun equal to r_(a) and r_(p) respectively. Find the angular momentum of this planet relative to the sun.

A point charge Q is moved along a ciruclar path around another fixed point charge. The work done is zero

A particle of mass m carrying a charge -q_(1) starts moving around a fixed charge +q_(2) along a circulare path of radius r. Find the time period of revolution T of charge -q_(1) .

A particle of mass 100 gm and charge 2muC is released from a distance of 50 cm from a fixed charge of 5muC . Find the speed of the particle when its distance from the fixed charge becomes 3 m.

A particle of mass 100 gm and charge 2muC is released from a distance of 50 cm from a fixed charge of 5muC . Find the speed of the particle when its distance from the fixed charge becomes 3 m.

A particle of mass m carrying charge '+q_(1)' is revolving around a fixed charge '-q_(2)' in a circular path of radius r. Calculate the period of revolution.

Two equal negative charges are fixed at points and on y-axis. A positive charge Q is released from rest at the point on the x-axis. The charge Q will:

A particle of mass m and charge -q circulates around a fixed charge q in a circle radius under electrostatic force. The total energy of the system is (k= (1/4piepsilon_0) )

PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Unsolved Numberical Problems
  1. Two horizontal parallel conducting plates are kept at a separation d =...

    Text Solution

    |

  2. A small cork ball A of mass m is suspended by a thread of length I. An...

    Text Solution

    |

  3. A particle of mass m having negative charge q moves along an ellipse a...

    Text Solution

    |

  4. Two concentric spheres of radii R and 2R are charged. The inner sphere...

    Text Solution

    |

  5. A charged particle of radius 5xx10^(-7)m is located in a horizontal el...

    Text Solution

    |

  6. Two small balls having the same mass and charge and located on the sam...

    Text Solution

    |

  7. What is the percentage change in distance if the force of attraction b...

    Text Solution

    |

  8. two concentric rings of radii r and 2rare placed with centre at origin...

    Text Solution

    |

  9. Find the electric field strength vector at the centre of a ball of rai...

    Text Solution

    |

  10. A positively charged sphere of mass m = 5kg is attached by a spring of...

    Text Solution

    |

  11. The figure shows thrednfinite non-conducting plates of charge perpendi...

    Text Solution

    |

  12. A ball of radius R is uniformly charged with the volume density rho. F...

    Text Solution

    |

  13. Small identical balls with equal charges are fixed at vertices of regu...

    Text Solution

    |

  14. An infinitely long cylindrical surface density sigma = sigma(0) co...

    Text Solution

    |

  15. A non-conducting hollow sphere having inner and outer radii a and b re...

    Text Solution

    |

  16. Two thin parallel threads carry a uniform charge with linear densitie...

    Text Solution

    |

  17. A positive charge Q is uniformly distributed throughout the volume of ...

    Text Solution

    |

  18. Distance between centres of two spheres A andB, each of radius R is r ...

    Text Solution

    |

  19. A clock face has charges -q, -2q, ,.....-12q fixed at the position of ...

    Text Solution

    |

  20. A semi-circular ring of mass m and radius R with linear charge ilensit...

    Text Solution

    |