GKFix MCQ Question

How many joules are equivalent to 1 keV?

• A. 1.6 × 10⁻¹⁶ J
• B. 1.6 × 10⁻¹³ J
• C. 1.6 × 10⁻¹⁰ J
• D. 1.6 × 10⁻⁷ J