Two harmonic waves, both of identical amplitude A and frequency f, but which have a phase difference of 0.46 π radians are added together. What can be said about the resultant wave? Select one: a. It has frequency 2 times f. b. It has Amplitude 2 times A. c. It has Amplitude 1.5 times A. d. It has Amplitude 0. e. Both 1 and 2 above.
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