Home
Class 12
PHYSICS
Two particles of charges +Q and -Q are p...

Two particles of charges `+Q` and `-Q` are projected from the same point with a velocity v in a region of unifrom magnetic filed `B` such that the velocity vector makes an angle `theta` with the magnetic filed Their masses are `M` and `2M` respectively Then, they will meet again for the first time at a point whose distane from the point of projection is .

A

`(2piMv cos theta)/(QB)`

B

`(8piMv cos theta)/(QB)`

C

`(piMv cos theta)/(QB)`

D

`(4pi Mv cos theta)/(QB)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 17

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • JEE MOCK TEST 2

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

Two particles of charges +Q and -Q are projected from the same point with a velocity v in a region of unifrom magnetic filed B such that the velocity vector makes an angle 0 with the magnetic filed Their masses are M and 2M respectively Then, they will meet again for the first time at a point whose distane from the point of projection is .

Two charged particle M and N are projected with same velocity in a uniform magnetic field. Then M and N respectively.

Two particles A and B are projected from the same point in different direction in such a manner that their velocity vectors are shown in the diagram :- .

A particle of charge q is projected from point P with velocity v as shown. Choose the correct statement from the following.

A particle of charge q and mass m is prjected in a uniform and contant magnetic field of strength B .The initial velocity vecv makes angle theta with the vecB .Find the distance travelled by the particle in time t .

A particle of specific charge q//m = (pi) C//kg is projected from the origin towards positive x-axis with a velocity of 10 m//s in a uniform magnetic field vec(B) = -2 hat K Tesla. The velocity vec V of the particle after time t =1//6 s will be

A particle of specific charge alpha is projected from origin with velocity v=v_0hati-v_0hatk in a uniform magnetic field B=-B_0hatk . Find time dependence of velocity and position of the particle.

A particle having mass m and charge q is projected with a velocity v making an angle q with the direction of a uniform magnetic field B. Calculate the magnitude of change in velocity of the particle after time t=(pim)/(2qB) .

A charged particle of mass m and charge q enters a magnetic field B with a velocity v at an angle theta with the direction of B . The radius fo the resulting path is

A particle of specific charge q/m=pi C//kg is projected from the origin towards positive x -axis with a velocity of 10 m//s in a uniform magnetic field vec(B)=-2hatk T . The velocity vec(v) of particle after time t=1/12 s will be (in m//s )

NTA MOCK TESTS-JEE MOCK TEST 18-PHYSICS
  1. An ideal gas is expanding such that PT^(2)= constant. The coefficient ...

    Text Solution

    |

  2. A student is performing the experiment of resonance column. The diamet...

    Text Solution

    |

  3. In a Young's double slit experiment, 12 fringes are observed to be for...

    Text Solution

    |

  4. A wire of length l has a resistance R. If half of the length is stretc...

    Text Solution

    |

  5. Find the Q value of the reaction P + .^(7) Li rarr .^(4) He +.^(4) He....

    Text Solution

    |

  6. A wheel having mass m has charges +q and -q on diametrically opposite ...

    Text Solution

    |

  7. If the following atoms and molecules for the transition from n = 2 to ...

    Text Solution

    |

  8. The beta- activity of a sample of CO(2) prepared form a contemporary ...

    Text Solution

    |

  9. The gravitational field in a region is given by vecg=(5hati+12hatj)"N ...

    Text Solution

    |

  10. Time taken by the particle to reach from A to B is t. Then the distanc...

    Text Solution

    |

  11. Two particles of charges +Q and -Q are projected from the same point w...

    Text Solution

    |

  12. In the adjacent circuit, the instantaneous current equation is

    Text Solution

    |

  13. Oxygen gas is made to undergo a process in which its molar heat capaci...

    Text Solution

    |

  14. A glass capillary tube is of the shape of a truncated cone with an ape...

    Text Solution

    |

  15. Two electric lamps A and B radiate the same power. Their filaments hav...

    Text Solution

    |

  16. A battery of internal resistance 4Omega is connected to the network of...

    Text Solution

    |

  17. A particular force (F) applied on a wire increases its length by 2 xx ...

    Text Solution

    |

  18. A rock is 1.5 xx 10^(9) years old. The rock contains .^(238)U which di...

    Text Solution

    |

  19. A projectile of mass 1.2 kg undergoes a perfectly inelastic collision ...

    Text Solution

    |

  20. Two blocks A and B of masses 3 kg and 6 kg are connected by a massless...

    Text Solution

    |