What is the phase speed of the wave propagating in xy plane whose wave motion is described by the expression as u(x, y;t) = u, sin 4r1015 -(x+y)– a10³t+0.785 ]? (Here u, is amplitude and c is the speed of light in free space)
What is the phase speed of the wave propagating in xy plane whose wave motion is described by the expression as u(x, y;t) = u, sin 4r1015 -(x+y)– a10³t+0.785 ]? (Here u, is amplitude and c is the speed of light in free space)
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Transcribed Image Text:What is the phase speed of the wave propagating in xy plane
whose wave motion is described by the expression
u(x, y;t) = u, sin
4r1015
-(x+y)– a10t+0.785
?
(Here u, is amplitude and c is the speed of light in free space)
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