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A proton and an alpha particle projected...

A proton and an alpha particle projected with same velocity in uniform transverse magnetic field then

A

Proton will have greater frequency than alpha particle

B

Alpha particle will have greater frequency than proton

C

Both the particles will have same frequency

D

Their frequencies cannot be compared

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Knowledge Check

  • A proton an an alpha- particle, moving with the same velocity, enter a uniform magnetic field, acting normal to the plane of their motion. The ratio of the radii of the circular paths descirbed by the proton and alpha -particle is

    A
    `1 : 2`
    B
    `1 : 4`
    C
    `1 : 16`
    D
    `4 : 1`

  • A proton and an alpha particle are separately projected in a region where a uniform magnetic field exists. Their initial velocities are perpendicular to direction of magnetic field. If both the particles move around magnetic field in circles of equal radii, the ratio of momentum of proton to alpha particle (p_(p)/(p_(alpha))) is

    A
    `1`
    B
    `(1)/(2)`
    C
    `2`
    D
    `(1)/(4)`

  • A proton, a deuteron and an a particle are moving with same momentum in a uniform magnetic field. The ratio of magnetic forces acting on them is ____ and their speed is in the ratio.

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

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    A proton, a dutron and an alpha particle with the same KE enter in a region of uniform magnetic field, moving at right angles to B. what is the ratio of the radii of their circular paths ?

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