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An EM wave is propagating in a medi...

An EM wave is propagating in a medium with a velocity ` vec v = v hati ` . The instantanous oscillating electric field of this EM wave is along + y axis , then the direction of oscillating magnetic field of the EM wave will be along

A

`- y` direction

B

`+z` direction

C

`-z` direction

D

`-x` direction

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