MDCAT Physics MCQ #2577

A nucleus emits a photon with energy 5 MeV. What formula gives mass defect?

MDCAT Physics MCQ #2577

  1. Question 1

    Q1. A nucleus emits a photon with energy 5 MeV. What formula gives mass defect?

    • A) Δm = E/(c²)
    • B) Δm = E/c
    • C) Δm = Ec²
    • D) Δm = E²/c

    Answer: Δm = E/(c²)

    Explanation: Mass defect is energy divided by c². Option B misses c denominator.