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question mark

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...

Aditi Bhatnagar , 13 Years ago
Grade 12th Pass
anser 1 Answers
Kumar Abhisar

Last Activity: 9 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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