Gamma Rays Are Photons with Very High Energy

Multiple Choice

Gamma rays are photons with very high energy. How many visible-light photons with a wavelength of 500 nm would you need to match the energy of a gamma-ray photon with energy
4.1 × 10^-13 J? (h = 6.626 × 10^-34 J ∙ s, c = 3.00 × 10⁸ m/s)

A) 1.0 × 10⁶
B) 1.4 × 10⁸
C) 6.2 × 10⁹
D) 3.9 × 10³