Home
Class 12
PHYSICS
A charge particle 'q' is shot towards an...

A charge particle 'q' is shot towards another charged particle 'Q' which is fixed, with a speed 'v'. It approaches 'Q' upto a closest distance r and then returns. If q were given a speed of '2v' the closest distances of approach would be

A

`r`

B

`2r`

C

`r/2`

D

`r/4`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    RESONANCE|Exercise Part- II|20 Videos

  • ELECTROSTATICS

    RESONANCE|Exercise Part - IV|9 Videos

  • ELECTROSTATICS

    RESONANCE|Exercise Part - III|20 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE|Exercise A.l.P|19 Videos

  • EXPERIMENTAL PHYSICS

    RESONANCE|Exercise PART -II|10 Videos

Similar Questions

Explore conceptually related problems

A charged particle q is shot from a large distance twoards another charged particle Q which is fixed, with speed v. It approaches Q up to as closed distance r and then returns. If q were given a speed 2v, the distasnce of approach would be

A particle of mass m, charge q gt 0 and initial kinetic energy K is projected from infinity towards a heavy nucleus of charge Q assumed to have a fixed position. (a) If the aim is perfect, how close to the centre of the nucleus is the particle when it comes instantaneously to rest ? (b) With a particular imperfect aim, the particle's closest approach to nucleus is twicw the distance determined in (a). Determine speed of particle at the closest distance of approach.

A long straight wire carries a current i. A particle having a positive charge q and mass m, kept at distance x_0 from the wire is projected towards it with speed v. Find the closest distance of approach of charged particle to the wire.

A charged particle of charge 'Q' is held fixed and another charged particle of mass 'm' and charge 'q' (of the same sign) is released from a distance 'r'. The impulse of the force exerted by the external agent on the fixed charge by the time distance between 'Q' and 'q' becomes 2 r is

Q:6DTQ Two particles of mass m and 2m carry a charge q each.Initially the heavier particle is at rest on a smooth horizontal plane and the other is projected along the plane directly towards the first from a distance d with speed u.If the closest distance of approach is (3q^(2)d)/(nq^(2)+4 pi varepsilon_(0)u^(2)d) then find the value of n .

A charge "Q" of mass "m" is at rest on a smooth horizontal plane.Another identical particle is projected with a velocity v towards it from long distance then

Two particles of mass m and 2m carry a charge q each.Initially the heavier particle is at rest on a smooth horizontal plane and the other is projected along the plane directly towards the first from a distance d with speed u .If the closest distance of approach is (3q^(2)d)/(nq^(2)+4 pi e_(0)u^(2)d) then find the value of n .

Figure shows a charge +Q clamped at a point in free space. From a large distance another charge particle of charge -q an.d mass m is thrown toward +Q with an impact parameter d as shown with speed v. Find the distance of closest approach of the two particles.

Two identical particles of mass m carry a charge Q , each. Initially one is at rest on a smooth horizontal plane and the other is projected along the plane directly towards first particle from a large distance with speed v. The closest distance of approach be .

A particle of mass m and charge +q approaches from a very large distance towards a uniformly charged ring ofradius Rand charge, mass same as that of particle, with initial velocity v_(0) along the axis of the ring as shown in the figure-1.420. What is the closest distance of approach between the ring and the particle? Assume the space to be gravity free and frictionless :

RESONANCE-ELECTROSTATICS-Exercise - 2 Part - I
  1. Calculate the electric potential at the center of a square of side sq...

    Text Solution

    |

  2. Five balls numbered 1,2,3,4,and 5 are suspended using separated thread...

    Text Solution

    |

  3. Two point charges of same magnitude and opposite sign are fixed at poi...

    Text Solution

    |

  4. Two point charges a and b whose magnitude are same, positioned at a ce...

    Text Solution

    |

  5. A solid sphere of radius R has a volume charge density rho=rho(0) r^(2...

    Text Solution

    |

  6. A charge particle 'q' is shot towards another charged particle 'Q' whi...

    Text Solution

    |

  7. For an infinite line of charge having linear charge density lambda lyi...

    Text Solution

    |

  8. Two short electric dipole are placed as shown. The energy of electric ...

    Text Solution

    |

  9. A charge q is placed at the centre of the cubical vessel (with one fac...

    Text Solution

    |

  10. Electric field intensity at a point due to an infinite sheet of charge...

    Text Solution

    |

  11. A dipole having dipole moment p is placed in front of a solid uncharge...

    Text Solution

    |

  12. The net charge given to an isolated conducting solid sphere :

    Text Solution

    |

  13. The net charge given to a solid insulating sphere :

    Text Solution

    |

  14. A charge Q is kept at the centre of a conducting sphere of inner radiu...

    Text Solution

    |

  15. Two uniformly charged non-conducting hemispherical shells each having ...

    Text Solution

    |

  16. A solid metallic sphere has a charge +3Q. Concentric with this sphere ...

    Text Solution

    |

  17. A charge 'q' is placed at the centre of a conducting spherical shell o...

    Text Solution

    |

  18. In the above question, if Q' is removed then which option is correct :

    Text Solution

    |

  19. Two identical charged spheres suspended from a common point by two mas...

    Text Solution

    |

  20. Acidified water from certain reservoir kept at a potential V falls in ...

    Text Solution

    |