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Question

the charge to mass ratio of Alpha particle is approximately to the charge to mass ratio of proton is

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Solution

Dear Student,

Let the charge on proton be e So, charge on α-particle = 2eMass of proton = mMass of α-particle = 4mSo, specific charge =ChargeMassFor proton, specific charge =emFor α-particle, specific charge =2e4m=e2mTherefore, ratio = eme2m = 2:1

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