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Concepts Of Physics MCQ Edition [Volume 2]PhysicsThe Nucleus

When a ¹⁴ N nucleus is bombarded with an -particle, a ¹⁷ O nucleus is produced along with the emission of another particle. The emitted particle is a

Options

  1. Apositron
  2. Belectron
  3. Cneutron
  4. Dproton

Correct answer

D. proton

Step-by-step solution

The nuclear reaction can be written as: ¹⁴₇ N + ⁴₂ He ¹⁷₈ O + ^ A _ Z X Applying the law of conservation of mass number: 14 + 4 = 17 + A A = 1 Applying the law of conservation of atomic number: 7 + 2 = 8 + Z Z = 1 The particle with mass number 1 and atomic number 1 is a proton ( ¹₁ p ).

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