GKFix MCQ Question

Calculate the energy of one photon with a wavelength of 500 nm.

• A. 3.9756 × 10⁻¹⁹ J
• B. 3.8756 × 10⁻¹⁹ J
• C. 3.7756 × 10⁻¹⁹ J
• D. 3.6756 × 10⁻¹⁹ J