Multiple Choice
An electron and positron, each having kinetic energy 10 MeV, annihilate and produce two photons. What is the wavelength of each photon?
A) 0.124 pm
B) 0.118 pm
C) 0.248 pm
D) 0.062 pm
E) need more information
Correct Answer:
Verified
Correct Answer:
Verified
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