The Poynting vector of an electromagnetic wave in vacuum is:
S = {(120 W/m2) sin2[(8.0 rad/m) z + (6.28 × 109 rad/s) t]} k
What is the frequency of the wave?1
10 MHz
2
100 MHz
3
1000 MHz
4
10 Hz
The Poynting vector of an electromagnetic wave in vacuum is:
S = {(120 W/m2) sin2[(8.0 rad/m) z + (6.28 × 109 rad/s) t]} k
What is the frequency of the wave?