MCQ
The rest mass energy of an electron is:
Explanation
m₀c² = 9.109 × 10⁻³¹ × (3 × 10⁸)² / (1.6 × 10⁻¹³) ≈ 0.511 MeV
m₀c² = 9.109 × 10⁻³¹ × (3 × 10⁸)² / (1.6 × 10⁻¹³) ≈ 0.511 MeV