ଧ୍ୱନିର ଗତି ଏବଂ ମାଧ୍ୟମର ଘନତା ମଧ୍ୟରେ ସମ୍ପର୍କ କ’ଣ?

1
\(\nu^2\propto \frac{1}{\rho}\)
2
ν2 ∝ ρ
3
\(\nu^2\propto \frac{1}{\rho^2}\)
4
ν2 ∝ ρ2

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