🔬 MCAT Exam Prep

In nuclear physics, beta-minus decay involves:

A Emission of a helium nucleus
B A neutron converting to a proton with emission of an electron and antineutrino
C Emission of a photon
D Fission into two nuclei

✓ Correct Answer: Option B

Beta-minus: n → p + e- + ν̄e. A neutron converts to a proton, emitting an electron (beta particle) and electron antineutrino.

💡 Why is B) the correct answer?

The correct answer to the question "In nuclear physics, beta-minus decay involves:" is Option B: A neutron converting to a proton with emission of an electron and antineutrino.

The other options — A) Emission of a helium nucleus, C) Emission of a photon, D) Fission into two nuclei — are incorrect for this MCAT Exam Prep question. As explained above: Beta-minus: n → p + e- + ν̄e. A neutron converts to a proton, emitting an electron (beta particle) and electron antineutrino.

📚 About This MCAT Exam Prep Practice Question

This 2-level MCAT Exam Prep question from the Chemical & Physical Foundations topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free MCAT Exam Prep practice test or use flashcards for spaced repetition review.

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