A stone thrown into still water creates a circular wave pattern moving – McqOptions

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1.	A stone thrown into still water creates a circular wave pattern moving radially outwards. If r is the distance measured from the centre to the pattern, the amplitude of the wave varies as
A.	r<sup>(-1/2)</sup>
B.	r<sup>(-1)</sup>
C.	r<sup>(-3/2)</sup>
D.	r<sup>(-2)</sup>
Answer» B. r<sup>(-1)</sup>

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