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//variable initialization
RestEnergy=0.51 //rest energy of electron (Mev)
T=2000 //potential difference i.e. kinetic energy (Mev)
//part(i)effective mass of electron in terms of its rest mass
EffectiveMass=1+(T/RestEnergy); //ratio of effective mass of electron and rest mass
//part(ii)speed of electron in terms of the speed of light
Beta=(1-(1/EffectiveMass)^2)^(1/2); //Calculatio of Beta
printf("\n\t The effective mass of electron = %.2f*mo ;mo is rest mass of electron\n\t The speed of electron = %.10f*c ;c is speed of light",EffectiveMass,Beta);
//Note: In the book answer of m/mo is slightly wrong
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