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Manipal MET2011PhysicsNuclear Physics

Which of the following pairs is an isobar?

Options

  1. A₁ H ^1 and ₁ H ^2
  2. B₁ H ^2 and ₁ H ^3
  3. C₆ C ¹² and ₆ C ¹³
  4. D₁₅ P ³⁰ and ₁₄ Si ³⁰

Correct answer

D. ₁₅ P ³⁰ and ₁₄ Si ³⁰

Step-by-step solution

Isobars are the elements which have same mass number. So, ₁₅ P ³⁰ and ₁₄ Si ³⁰ are isobars.

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