What is the energy of a photon of frequency 5.0 × 10¹⁴ Hz (h = 6.63 × 10⁻³⁴ J s)?

1. A Option A: 3.3 × 10⁻²⁰ J
2. B Option B: 7.5 × 10⁻¹⁹ J
3. C Option C: 1.3 × 10⁻⁴⁸ J
4. D Option D: 3.3 × 10⁻¹⁹ J

Answer checked 11 October 2026 · How we write and check questions