Question: Two spherical waves 1 ( t , r ) = s 0 cos ( kr t ) , 2 ( t , r ) =

Two spherical waves

1 (

,

) =

0

cos

(

),

2 (

,

) =

0

cos

(

+

)

superpose. Show that the result is the generation of a standing wave and find its form. Find the surfaces corresponding to the nodes of this standing wave in terms of the wavelength

.

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