A) The wave is propagating along the positive x-axis with speed .
B) The wave is propagating along the positive x-axis with speed .
C) The wave is propagating along the negative x-axis with speed .
D) The wave is propagating along the negative x-axis with speed .
Correct Answer: C
Solution :
[c] The given wave is |
Comparing with standard equation |
Velocity |
In the given equation x is positive. Therefore, the wave is travelling in the negative x-direction. |
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