AIPMT MAINS 2009 Physics Rutherford Scattering MCQ Question
In a Rutherford scattering experiment when a projectile of charge z₁ and mass M₁ approaches a target nucleus of charge z₂ and mass M₂, the distance of closest approach is r₀. The energy of the projectile is:
directly proportional to z₁ z₂
inversely proportional to z₁
directly proportional to mass M₁
directly proportional to M₁ × M₂
Correct Answer
Detailed Explanation
The energy of the projectile is directly proportional to the product of the charges z₁ and z₂, as the electrostatic potential energy depends on the product of the charges.
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