Gamma Rays Are Photons with Very High Energy

Multiple Choice

Gamma rays are photons with very high energy.What is the wavelength of a gamma-ray photon with energy 7.7 × 10^-13 J? (c = 3.0 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s)

A) 2.6 × 10^-13 m
B) 3.9 × 10^-13 m
C) 3.1 × 10^-13 m
D) 3.5 × 10^-13 m