The partial differential equation {\partial^{2} {u}}/{\partial {t}^{2}}- {c}^{2}( {\partial^{2} {u}}/{\partial {x}^{2}}+ {\partial^{2} {u}}/{\partial {y}^{2}})=0; where is known as {c} \neq 0 is known as

Correct Answer is : Wave equation

GATE Electrical Engineering (EE) 2019 Solved Paper

Question : 18 of 65

Marks: +1, -0

The partial differential equation

\;{∂^{2} {u}}/{∂ {t}^{2}}- {c}^{2}(\;{∂^{2} {u}}/{∂ {x}^{2}}+\;{∂^{2} {u}}/{∂ {y}^{2}})=0

; where

' {c} ≠ 0

is known as

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