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Grade 12Modern Physics

an alpha particle moving with a velocity V travels towards a nucleus of mass number A what is the distance of closest approach?

Profile image of Pasupunuri Jayasurya
13 Years agoGrade 12
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1 Answer

Profile image of Monil Shah
13 Years ago

You can use the formula to find the velocity of alpha particle from energy=half*m*v*v.  Now use this formula to find distance by the formula of k*q1*q2/(2*radius) which is electron potential energy which is only but total energy.hence substitute values and get answer.