Wave motionMedium
Question
A plane progessive wave is respresented by the equation y = 0.25 cos (2πt - 2πx). The equation of a wave is with double the amplitude and half frequency but travelling in the opposite direction will be.
Options
A.y = 0.5 cos (πt - πx)
B.y = 0.5 cos (2πt + 2πx)
C.y = 0.5 cos (πt + 2πx)
D.y = 0.5 cos (πt + πx)
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