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Equation of spherical plane progressive wave is (A) y= asin wt (B) y a sin(wt-kr) (C) y= a/√2 sin(wt- kr) (D) y=a/r sin(wt-kr) EXPLAIN PLS...

Equation of spherical plane progressive wave is


(A) y= asin wt


(B) y a sin(wt-kr)


(C) y= a/√2 sin(wt- kr)


(D) y=a/r sin(wt-kr)


EXPLAIN PLS...

Grade:12th Pass

1 Answers

Kumar Abhisar
34 Points
8 years ago
In a spherical progressive wave, amplitude is inversly proportional to distance r. Therefore amplitude (a) in this case equals to c/r where c is some constant.
 
\(\therefore y=\frac{c}{r}Sin(wt-kr)\) 

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