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If a proton, deuteron, and alpha particle on being accelerated by the same potential difference enters perpendicular to the magnetic field, then the ratio of their kinetic energies is

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A proton, a deutron and an alpha particle, after being accelerated through the same potential difference enter a region of uniform magnetic field vecB , in a direction perpendicular to vecB . Find the ratio of their kinetic energies. If the radius of proton's circular path is 7cm , what will be the radii of the paths of deutron and alpha particle?

A proton, a deuteron and an alpha particle, are accelerated through the same potential difference and then subjected to a unifrom magnetic field vecB , perpendicular to the direction of their motions. Compare (i) their kinetic energies, and (ii) if the radius of the ciruclar path described by proton is 5 cm, determine the radii of the paths described by deuteron and alpha partcile.

Knowledge Check

  • A proton, a deuteron and an alpha particle are accelerated through same potential difference and then they enter a normal uniform magnetic field, the ratio of their kinetic energies will be

    A
    `2:1:3`
    B
    `1:1:2`
    C
    `1:1:1`
    D
    `1:2:4`

  • If an electron and a proton having same momenta enter perpendicular to a magnetic field, then

    A
    curved path of electron and proton will be same ( ignoring the sense of revolution)
    B
    they will move undeflected
    C
    curved path of electron is more curved than that of the proton
    D
    path of proton is more curved.

  • A proton and an alpha particle accelerated through the same potential difference enter a region of uniform magnetic field normally if the radius of the proton orbit is 10 cm ten radius of alpha particle is

    A
    `10 cm`
    B
    `10sqrt(2)cm`
    C
    `20cm`
    D
    `5sqrt(2)cm`

    • Similar Questions

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    A proton, a deutron and alpha -particle, whose kinetic energies are same, enter perpendicularly a uniform magnetic field. Compare the radii of their circualr paths.

    A proton and an alpha -particle are accelerated through same potential difference. Find the ratio of their de-Brogile wavelength.

    A proton and alpha - particle are accelerated with same potential difference and they enter in the region of constant magnetic field B perpendicular to the velocity of particles. Find the ratio of radius of curvature of alpa - particle .

    A proton, a deutron and an alpha - particle accelerated through the same potential difference enter a region of uniform magnetic field, moving at right angles to it. What is the ratio of their kinetic energy?

    A proton, a ceuteron and an ac-particle accelerated through the same potential difference enter a region of uniform magnetic field, moving at right angles to B. What is the ratio of their K.E.?

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