GATE (TF) Textile 2009 Question Paper Solution | GATE/2009/TF/19

Question 19 (Textile Engineering & Fibre Science)

The partial differential equation

    \[\frac{\partial^2 u}{\partial r^2}+\frac{1}{r}\frac{\partial u}{\partial r}+\frac{1}{r^2}\frac{\partial^2u}{\partial\theta^2}=0\]

is known as the polar form of

(A)Laplace’s equation
(B)Heat equation
(C)Wave equation
(D)Non of these
[Show Answer]

Option B is correct

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