The vector equation of a sphere having centre at origin and radiu… - Vidyadip

MCQ

The vector equation of a sphere having centre at origin and radius $5$ is:

✓
$\mid{\text{r}}\mid = 5$
B
$\mid{\text{r}}\mid = 25$
C
$\mid{\text{r}}\mid = \sqrt{5}$
D
None of these

✓

Answer

Correct option: A.

$\mid{\text{r}}\mid = 5$

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