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Understanding Period and Amplitude Practice Test
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Q1
Two in-phase waves travelling in the same direction with the same period have amplitudes of 
and 
, respectively. A third, out-of-phase wave with the same period as the other two has an amplitude of 
. What will be the amplitude of the final resultant wave when these three are aligned?
Two in-phase waves travelling in the same direction with the same period have amplitudes of