A) A wavelength of 0.25 m and travels in + ve x direction
B) A wavelength of 0.25 m and travels in + ve y direction
C) A wavelength of 0.5 m and travels in ? ve y direction
D) A wavelength of 0.5 m and travels in ? ve x direction
Correct Answer: C
Solution :
The given equation representing a wave travelling along ?y direction (because ?+? sign is given between t term and x term). On comparing it with \[x=A\sin \,\left( \omega \,t+ky \right)\] We get \[k=\frac{2\pi }{\lambda }=12.56\] Þ \[\lambda =\frac{2\times 3.14}{12.56}=0.5\,m\]
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