In a certain experiment, a radio transmitter emits sinusoidal electromagnetic waves of frequency 115.0 MHzMHz in opposite directions inside a narrow cavity with reflectors at both ends, causing a standing wave pattern to occur.
A. How far apart are the nodal planes of the magnetic field? Answer in meters
B. If the standing wave pattern is determined to be in its eighth harmonic, how long is the cavity? Answer in meters
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