If two vectors ( vec{r}. vec{n_1}=d_1 ) and ( vec{r}. vec{n_2}=d_2 ) are such that ( vec{n_1}. vec{n_2} )=0, then which of the following is true?

The planes are parallel to each other

The planes are perpendicular to each other

The planes are parallel to each other

Depends on the value of the vector

The planes are at an angle greater than 90

If two vectors ( vec{r}. vec{n_1}=d_1 ) and ( vec{r}. vec{n_2}=d_2 )

1.	If two vectors ( vec{r}. vec{n_1}=d_1 ) and ( vec{r}. vec{n_2}=d_2 ) are such that ( vec{n_1}. vec{n_2} )=0, then which of the following is true?
A.	The planes are perpendicular to each other
B.	The planes are parallel to each other
C.	Depends on the value of the vector
D.	The planes are at an angle greater than 90
Answer» B. The planes are parallel to each other