Home
Class 12
PHYSICS
If 'R' is the radius of dees and 'B' be ...

If 'R' is the radius of dees and 'B' be the magnetic field of induction which positive charges (q) of mass (m) escapes from the cyclotron, then its maximum speed `(V_(max))` is

A

`(qR)/(Bm)`

B

`(qm)/(BR)`

C

`(qBR)/(m)`

D

`(m)/(qBR)`

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MCQS FROM BOARD EXAM

    NIKITA PUBLICATION|Exercise ELECTROMAGNETIC INDUCTION|2 Videos

  • MCQS FROM BOARD EXAM

    NIKITA PUBLICATION|Exercise ELECTRONS AND PHOTONS|5 Videos

  • MCQS FROM BOARD EXAM

    NIKITA PUBLICATION|Exercise CURRENT ELECTRICITY|5 Videos

  • MAGNETISM

    NIKITA PUBLICATION|Exercise MCQs|249 Videos

  • MH-CET - 2017

    NIKITA PUBLICATION|Exercise CUMMUNICATION SYSTEMS|1 Videos

Similar Questions

Explore conceptually related problems

In a cyclotron the radius of dees is R and the applied magnetic field has a magnitude of B. Particles having charge q and mass m are accelerated using this cyclotron and the maximum kinetic energy that can be imparted to a particle is k. (a) Find k in terms of R, B, q and m. (b) If protons and alpha particles are accelerated using this cyclotron which particle (proton or alpha) will gain more kinetic energy? (c) Can we use a cyclotron to impart very high kinetic energy to an electron?

A charged particle is moving with velocity V in magnetic field of induction B . The force on the particle will be maximum when

Knowledge Check

  • If m is the mass, Q is the charge and B is the magnetic induction, m//BQ has the same dimensions as:

    A
    frequency
    B
    Time
    C
    Velocity
    D
    Acceleration

  • If the radius of the dees of cyclotron is r then the kinetic energy of a proton of mass m accelerated by the cycloton at an oscillating frequency v is

    A
    `4pi^(2)m^(2)v^(2)r^(2)`
    B
    `4pi^(2)mv^(2)r^(2)`
    C
    `2pi^(2)mv^(2)r^(2)`
    D
    `pi^(2)mv^(2)r^(2)`

  • In a certain region of space, there exists a uniform and constant electric field of strength E along x-axis and uniform constant magnetic field of induction B along z-axis. A charge particle having charge q and mass m is projected with speed v parallel to x-axis from a point (a, b, 0). When the particle reaches a point 2a, b//2 , 0 its speed becomes 2v. Find the value of electric field strength of m, v and co-ordinates.

    A
    `3/2 (mv^2)/(qa)`
    B
    `(mv^2)/(qa)`
    C
    `(2mv^2)/(qBa)`
    D
    `3/2 vB`

    • Similar Questions

    Explore conceptually related problems

    A charged particle is moving with velocity 'V' in a magnetic field of induction B . The force on the paricle will be maximum when

    The force acting on a charge 'q' moving with a velocity V in a magnetic field of induction B is given by

    An electron of mass 'm' is accelerated through a potential difference of V and then it enters a magnetic field of induction B . Normal to the lines of force. Then the radius of the circular path is

    A particle of mass m and positive charge q is projected with a speed of v_0 in y–direction in the presence of electric and magnetic field are in x–direction. Find the instant of time at which the speed of particle becomes double the initial speed.

    If a charge particle of charge q , mass m , moves in a circular path in magnetic field of induction B , under a potential of V volts then radius of circular path is

    Home
    Profile