Practicing Success
Practicing Success
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A plane electromagnetic wave of frequency 40 MHz travels in free space in the X-direction. At some point and at some instant, the electric field E has its maximum value of 750 N/C in Y-direction, the angular frequency of e.m.f. wave will be:(in rad/s) |
$8 \pi \times 10^7$ $4 \pi \times 10^6$ $4 \pi \times 10^5$ $8 \pi \times 10^4$ |
$8 \pi \times 10^7$ |
$\omega=2 \pi f=2 \times \pi \times 4 \times 10=8 \pi \times 10^7$ rad/s |
