A plane wave is represented by \[x=1.2\sin (314\,t+12.56y)\] Where x and y are distances measured along in x and y direction in meters and t is time in seconds. This wave has [MP PET 1991]

A wavelength of 0.5 m and travels in ? ve x direction

A wavelength of 0.25 m and travels in + ve x direction

A wavelength of 0.25 m and travels in + ve y direction

A wavelength of 0.5 m and travels in ? ve y direction

A plane wave is represented by \[

1.	A plane wave is represented by \[x=1.2\sin (314\,t+12.56y)\] Where x and y are distances measured along in x and y direction in meters and t is time in seconds. This wave has [MP PET 1991]
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
Answer» D. A wavelength of 0.5 m and travels in ? ve x direction