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MHT CET Medical202624 April 2026Morning ShiftPhysicsNuclear PhysicsActual

A radioactive nucleus ₉₂X²³⁵ decays to ₉₁Y²³¹ . Which of the following particles are emitted?

Options

  1. AOne alpha and one beta particle
  2. BTwo deuterons and one positron
  3. COne alpha and one proton
  4. DOne proton and four neutrons

Correct answer

A. One alpha and one beta particle

Step-by-step solution

The decay reaction can be written as: ₉₂X²³⁵ ₉₁Y²³¹ + n_ ( ₂He⁴) + n_ ( _ -1 e⁰) By conservation of mass number: 235 = 231 + 4n_ + 0 4n_ = 4 n_ = 1 By conservation of atomic number: 92 = 91 + 2n_ - n_ 92 = 91 + 2(1) - n_ 92 = 93 - n_ n_ = 1 Thus, one alpha particle and one beta particle are emitted. Answer: One alpha and one beta particle

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