1.

A motion is described by y = 3e^x.e^(-3t)where y,x arc in metrd and t is in seconds.

Answer»

This represents EQUATION of progressive wave propagating along -X DIRECTION with `3ms^(-1)`
This represents equation of progressive wave propagating along +x direction with `3ms^(-1)`
This does not represent a progressive wave equation.
Date is insufficient to arrive at any conclusion of this sort

Answer :C


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