Consider the function o = r" exp (-ur) where r = Va2 +y? + z? is the radial distance and n is an integer. For what value(s) of n is p a solution to the Klein-Gordon equation for a particle of mass u? Choose 1 option. O a. n = 1 andn = 2 O b.n = 1 O C.n 2 O d. n = 0
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