If \[ r = x i + y j,\] then — Mathematical Physics MCQ

Engineering Physics · Q80

Mathematical Physics

Engineering and GATE · Engineering Physics · question 80

Q80

r = x i^+ y j^,

then

\nabla \cdot r = 0 and \nabla r = r

\nabla \cdot r = 2 and \nabla r = r

\nabla \cdot r = 2 and \nabla r = \frac{r ^}{r}

Answer

\nabla \cdot r = 3 and \nabla r = \frac{r ^}{r}

Answer: Option C

Answer: Option C

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