Home
Class 12
PHYSICS
A charged particle of mass m and charge ...

A charged particle of mass m and charge q describes circular motion of radius r in a uniform magnetic field of strength B the frequency of revolution is

Text Solution

Verified by Experts

Magnetic force on the hydrogen ion=Centripetal force
or `qvB sin 90^(@)=(mv^(2))/r`
or `r=(mv)/(qB)`
Time period `T=(2pir)/v=(2pi)/v.(mv)/(qB)=(2pim)/(qB)`
Promotional Banner

Topper's Solved these Questions

  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise Advanced level problems|31 Videos

  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise Exercise-3 PART-2|27 Videos

  • ELECTRO MAGNETIC WAVES

    RESONANCE ENGLISH|Exercise Exercise 3|27 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE ENGLISH|Exercise A.l.P|19 Videos

Similar Questions

Explore conceptually related problems

A charged particle of mass m and charge q travels on a circular path of radius r that is perpendicular to a magnetic field B . The time takeen by the particle to complete one revolution is

A small particle of mass m = 1 kg and charge of 1C enters perpendicularly in a triangular region of uniform magnetic field of strength 2T as shown in figure : In the previous question find the change in angular momentum of particle w.r.t centre of its circular path during its motion in magnetic field :

A charged particle of mass m and charge q is projected into a uniform magnetic field of induciton vecB with speed v which is perpendicular to vecB . The width of the magnetic field is d. The impulse imparted to the particle by the field is (dlt lt mv//qB)

A charge particle of mass m and charge q enters in a region of uniform magnetic field as shown in figure.The magnitude of change in linear momentum due to magnetic field will be

A particle of mass m and having charge q is moving in a circular path of radius r in the presence of a uniform magnetic field. The particle breaks into smaller fragments X and Y of equal mass. The fragment X now has charge q/3 and the fragment Y has charge (2q)/3 . Immediately after the fragmentation, X comes to rest. The radius of the path of Y is now r_(Y) . The ratio (r_(Y))/r is ______________.

A charged particle of charge q and mass m enters perpendiculalry in a magnetic field B. Kinetic energy of particle is E, then frequency of rotation is

A charged particle of mass m and charge q is accelerated through a potential differences of V volts. It enters of uniform magnetic field B which is directed perpendicular to the direction of motion of the particle. The particle will move on a circular path of radius

The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its

A charged particle of mass m and charge q is accelerated through a potential difference of V volts. It enters a region of uniform magnetic field which is directed perpendicular to the direction of motion of the particle. Find the radius of circular path moved by the particle in magnetic field.

A charged particle is moving in a circular path in uniform magnetic field. Match the following.

RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-3 PART-3
  1. Two long parallel straight wires X and Y separated by a distance 5cm i...

    Text Solution

    |

  2. Use Biot-Savart law to derive the expression for the magnetic field on...

    Text Solution

    |

  3. A charged particle of mass m and charge q describes circular motion of...

    Text Solution

    |

  4. A cyclotron's oscillator frequency is 10MHz. What should be the operat...

    Text Solution

    |

  5. Figure shows a rectangular current carrying loop placed 2 cm away from...

    Text Solution

    |

  6. A beam of electrons projected along + x-axis , experiences a force due...

    Text Solution

    |

  7. What is the direction of the force acting on a charged particle q, mov...

    Text Solution

    |

  8. Define magnetic susceptibility of a material. Name two elements, one...

    Text Solution

    |

  9. Magnetic field liness can be entirely confined within the core of a to...

    Text Solution

    |

  10. An electron does not suffer any deflection while passing through a reg...

    Text Solution

    |

  11. Write the expression for the magnetic moment (m) due to a planar squar...

    Text Solution

    |

  12. A long straight wire, of circular cross section (radius =a) carries a ...

    Text Solution

    |

  13. A beam of alpha particles projected along +x- axis , experiences a fo...

    Text Solution

    |

  14. Deduce an expression for the magnetic dipole moment of an electron orb...

    Text Solution

    |

  15. The permeability of magnetic material is 0.9983. Name the type of magn...

    Text Solution

    |

  16. A magnetic needle free to rotate in a vertical plane parallel to the m...

    Text Solution

    |

  17. (a)Using Ampere's circuital law, obtain the expression for the magneti...

    Text Solution

    |

  18. (a) Write the expression for the force, vecF, acting on a charged part...

    Text Solution

    |

  19. What are permanent magnets? Give one example.

    Text Solution

    |

  20. A proton and a deuteron having equal momenta enter in a a region of a ...

    Text Solution

    |