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The electric field of an e.m. wave is gi...

The electric field of an e.m. wave is given by
`E_y= 40sin((2pi)/2x-2pixx10^8t)` where E is in `V//m`, t in seconds, and x is in meters. Find Frequency of the e.m. wave.

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BINA LIBRARY-QUESTION PAPER 2013-EXERCISE
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