Symmetry in Laws
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Q. A ball of radius R=50 cm is located in a non-magnetic medium with permitivity k = 4.0. In that medium a plane electromagnetic wave propagates, the strength amplitude of whose electric component is equal to Em=200V/m. The amount of energy that reaches the ball during a time interval of t=1.0min is (in kJ) ?
Q. During the propagation of an electromagnetic wave in a medium -
Q. During the propagation of an electromagnetic wave in a medium -