Home
Class 12
PHYSICS
An electron, a proton and an alpha parti...

An electron, a proton and an alpha particle having the same kinetic energy are moving in circular orbits of radii `r_(e),r_(p),r_(alpha)` respectively in a uniform magnetic field B. The relation between `r_(e),r_(p),r_(alpha)` is:

A

`r_(e) lt r_(alpha) lt r_(P)`

B

`r_(e)gtr_(P)=r_(alpha)`

C

`r_(e)ltr_(P)=r_(alpha)`

D

`r_(e)ltr_(P)ltr_(alpha)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|40 Videos
  • MAGNETISM

    MOTION|Exercise EXERCISE-3 (Level-II)|23 Videos
  • LOGIC GATES

    MOTION|Exercise EXERCISE - 2|10 Videos
  • MAGNETISM -1

    MOTION|Exercise Exercise - 3 SECTION -A|56 Videos

Similar Questions

Explore conceptually related problems

A proton , a deutron and alpha ) - particle having the same kinetic energy are moving in circular trajectories in a constant magnetic field . If r_(p), r_(d) , and r_(alpha) denote respectively the radii of the trajectories of these particles , then

A proton, a deuteron and an alpha - particle having the same kinetic energy are moving in circular trajectors in a constant magnetic field. If r_p, r_d and r_(alpha) denote respectively the radii of the trajectories of these particles then

Proton , deuton and alpha particle of same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton , deuteron and alpha particle are respectively r_(p), r_(d) and r_(alpha) . Which one of the following relation is correct?

A deuteron and an alpha particle having equal kinetic energy enter perpendicular into a magnetic field. Let r_(d) and r_(alpha) be their respective radii of circular path. The value of (r_(d))/(r_(alpha)) is equal to :

An electron is moving on a circular path of radius r with speed v in a transverse magnetic field B. e/m for it will be

A proton, an electron, and a Helium nucleus, have the same Kinetic energy. They are in circular orbits in a plane due to magnetic field perpendicular to the plane. Let r_(p), r_(e) and r_(He) be their respective radii, then

A proton and alpha particle with kinetic energies K_p and K_alpha resp. enters a region of uniform magnetic field perpendicularly. The ratio of radii R_p: R_alpha = 2:1 then find K_p : K_alpha

Two particles of equal masses are revolving in circular paths of radii r_(1) and r_(2) respectively with the same speed. The ratio of their centripetal force is

MOTION-MAGNETISM -EXERCISE-4 (LEVEL-I)
  1. Relative permittivity and permeability of a material are epsilon(r) ...

    Text Solution

    |

  2. The magnitude of the magnetic field (B) due to loop ABCD at the origin...

    Text Solution

    |

  3. Due to the presence of the current I1 at the origin in the figure.

    Text Solution

    |

  4. Two long parallel wires are at a distance 2d apart. They carry stead...

    Text Solution

    |

  5. A rectangular loop has a sliding connector PQ of length l and resistan...

    Text Solution

    |

  6. A current I flows an infinitely long wire with cross section in the fo...

    Text Solution

    |

  7. A boat is moving due east in a region where the earth's magnetic field...

    Text Solution

    |

  8. A thin circular disk of radius R is uniformly charged with density sig...

    Text Solution

    |

  9. A charge Q is uniformly distributed over the surface of non - conducti...

    Text Solution

    |

  10. Proton , deuton and alpha particle of same kinetic energy are moving i...

    Text Solution

    |

  11. The coercitivity of a small magnet where the ferromagnet gets demagnet...

    Text Solution

    |

  12. A rectangular loop of sides 10 cm and 5 cm carrying a current I of 12 ...

    Text Solution

    |

  13. Two coaxial solenoids of different radius carry current I in the same ...

    Text Solution

    |

  14. Two long current carrying thin wires , both with current I, are held b...

    Text Solution

    |

  15. Two identical wires A and B , each of length 'l', carry the same curre...

    Text Solution

    |

  16. Hysteresis loops for two magnetic materials A and B are given below : ...

    Text Solution

    |

  17. A magnetic needle of magnetic moment 6.7xx10^(-2)A.m^(2) And moment ...

    Text Solution

    |

  18. When a current of 5 mA is passed through a galvanometer having a coil ...

    Text Solution

    |

  19. The dipole moment of a circular loop carrying a current I, is m and th...

    Text Solution

    |

  20. An electron, a proton and an alpha particle having the same kinetic en...

    Text Solution

    |