The ratio of the e/m values of a proton and an `alpha`-particle is:

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The ratio of the e/m values of a proton and an `alpha`-particle is:
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why cant we write proton as having mass of 1 neutron + 1 proton totally wrong information you are giving the crct ans is 4 isto 1 are u a teacher?? unqualified people waste doubtnut

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