Question

Consider two conducting plates of infinite extent, one plate at z = 0 and the other at z=L , both parallel to the xy plane. The vector and the scalar potential in the region between the plates is given by Alr,t)= Acos ot( kz + a) cos(kct) and $(r,t)=0. Choose the condition which represents a standing wave in the empty region between the plates. (a) k = and a=0 L 2π and a = 2 7T (b) k= T (c) k = and a = 2L 2 T (d) k = and a=0 2L​

Answer 1

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