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NEET2009PhysicsAtomic PhysicsActual

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 :

Options

  1. ADirectly proportional to mass M₁
  2. BDirectly proportional to M ₁ M ₂
  3. CDirectly proportional to Z₁ Z₂
  4. DInversely proportional to Z₁

Correct answer

C. Directly proportional to Z₁ Z₂

Step-by-step solution

Energy = 1 4 ₀ Z₁ Z₂ r ₀

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