NEET 2012 Physics question

PhysicsElectromagnetic WavesNEET 2012

The electric field associated with an e.m. wave in vacuum is given by , where , and are in volt/m, meter and seconds respectively. The value of wave vector is

Answer: (2)

Solution

Compare with the standard wave : the angular frequency is . In vacuum the wave travels at and , so $k =

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Question ID VK-091291