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A charge particle of mass m and charge q...

A charge particle of mass m and charge q is released from rest in uniform electric field. Its graph between velocity (v) and distance travelled (x) will be :

A

B

C

D

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Knowledge Check

  • A particle of mass M and charge q is released from rest in a region of uniform electric field of magnitude E . After a time t, the distance travelled by the charge is S ad the kinetic energy attained by the particle is T. Then , the ratio T/S

    A
    remains constant with time t
    B
    varies linearly with the mass M of the particle
    C
    is independent of the charge q
    D
    is independent of the magnitude of the electric field E.

  • A particle of mass m and charge -q is released from rest in a uniform electric field. If there is no other force on the particle, the dependence of its potential energy on the distance x travelled by it is correctly given by (assume initial potential energy to be zero ,graphs are schematic and not drawn to scale)

    A
    B
    C
    D

  • An electron of mass m and charge q is accelerated from rest in a uniform electric field of strength E the velocity acquired by it as it travels a distance l is

    A
    `[(2Eql)/(m)]^(1//2)`
    B
    `[(2Eq)/(mI)]^(1//2)`
    C
    `[(2Em)/(ql)]^(1//2)`
    D
    `[(Eq)/(mI)]^(1//2)`

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    A particle of mass and charge is released from rest in a uniform electric field. If there is no other force on the particle, the dependence of its kinetic energy on the distance travelled by it is correctly given by (graphs are schematic and not drawn to scale)

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