Column I Column II
acharge on electron (magnitude)p1.6022×1019C
be/meq1.758820×1011Ckg1
cMass of proton, mpr1.00867u
dMass of neutron, mns1.00727u
  t4.8×1010esu

  1. A

    (a-p, t); (b-q); (c-s): (d-r)

  2. B

    (a-q, t); (b-r); (c-s): (d-s)

  3. C

    (a-p, t); (b-s); (c-p): (d-r)

  4. D

    (a-p, t); (b-q); (c-p): (d-r,s)

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    Solution:

    The charge on electron (magnitude),

    e=1.6022×1019C or,

    e=4.8×1010esu

    The ratio of charge on an electron to its mass,

    1.758820×1011Ckg1

    Mass of proton,

    mp=1 .00727  u

    Mass of neutron,

     mn=1.00867u

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