# 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?

Category: QuestionsIf 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?
Editor">Editor Staff asked 11 months ago

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°

This question was posed to me in semester exam.

I want to ask this question from Three Dimensional Geometry topic in section Three Dimensional Geometry of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options
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