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AIPMT MAINS2009Physics-Nuclear Physics

AIPMT MAINS 2009 Physics Rutherford Scattering MCQ Question

Type: MCQ-conceptual-Medium

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:

A

directly proportional to z₁ z₂

B

inversely proportional to z₁

C

directly proportional to mass M₁

D

directly proportional to M₁ × M₂

Correct Answer

Option A

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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