Physics-
General
Easy

Question

A plane E.M. wave of frequency 40 MHz travels along X-axis. At same point at same instant, the electric field E has maximum value of 750 N/C in Y-direction. The magnitude and direction of magnetic field is

  1. 2.5mT along X-axis    
  2. 2.5mT along Y-axis    
  3. 2.5mT along Z-axis    
  4. 5mT along Z-axis    

The correct answer is: 2.5mT along Z-axis

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