1. AP Chemistry Practice Test

AP Chemistry Multiple Choice Practice Test

Question 1 of 3
64% Get this Question Right
When Cs-137 decays, it emits gamma radiation. The energy of one photon is 1.06 x 10^-13 J. What is the wavelength of this radiation?
1.88 x 10^-11 m
2.44 x 10^-12 m
2.08 x 10^-12 m
1.58 x 10^-10 m
1.87 x 10^-12 m