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Positively charged particles are project...

Positively charged particles are projected into a magnetic field. If the direction of the magnetic field is along the direction of motion of the charged particles, the particles get

A

Accelerated

B

Decelerated

C

Deflected

D

No change in velocity

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • When a charged particle moves perpendicular to a magnetic field, then:

    A
    speed of the particles is changed
    B
    speed of the particle remains unchanged
    C
    direction of motion of the particle remains unchanged
    D
    acceleration of the particle remains unchanged

  • A charged particle entering a magnetic field from outside in a direction perpendicular to the field

    A
    can never complete one rotation inside the field
    B
    may or may not complete one rotation in the field depending on it angle of entery into the field
    C
    will always complete exactly half of a rotation before leaving the field
    D
    may allow a helium path depending o its angle of entery into the field

  • A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

    A
    increases the `K.E.` of the particle
    B
    decreases the `K.E.` of the particle
    C
    changes the direction of motion of the particle
    D
    does both (a) and ( c)

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