Which of the following has the greatest total energy?

1. A Option A: 10³ photons of wavelength 2 pm (γ-rays)
2. B Option B: 10⁶ photons of wavelength 200 nm (UV)
3. C Option C: 10² photons of wavelength 1 nm (X-rays)
4. D Option D: 10⁶ photons of wavelength 50 µm (infrared)

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