Suppose an Eta Meson (Rest Mass 547 MeV/c²)decays at Rest

question 4

Multiple Choice

Suppose an eta meson (rest mass 547 MeV/c²) decays at rest into two photons.What is the wavelength of one of the photons?

• A)2.3 fm
• B)2.3 pm
• C)4.5 fm
• D)4.5 pm
• E)More information is needed.

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