## Question

### Solution

Correct option is & Since is a vector. Therefore, is a scalar quantity.

As, is a scalar. Therefore, is not meaningful.

But, is a scalar multiple of . So, it is meaningful.

Since is a scalar. So, is not meaningful.

#### SIMILAR QUESTIONS

Q1

If are three non-coplanar vectors represented by non-current edges of a parallelopiped of volume 4 units, then the value of Q2

The three concurrent edges of a parallelopiped represent the vectors such that Then, the volume of the parallelopiped whose three concurrent edges are the three diagonals of three faces of the given parallelepiped is

Q3

For three vectors which of the following expressions is not equal to any of the remaining three?

Q4 are linearly dependent vectors and , then

Q5

The volume of the tetrahedron whose vertices are the points with position vectors and is 11 cubic units if the value of λ is

Q6

If a vector is expressed as the sum of two vectors along and perpendicular to a given vector Q7 are two given vectors. On these vectors as adjacent sides a parallelogram is constructed. The vector which is the altitude of the parallelogram and which is perpendicular to is not equal to

Q8

Let be a unit vector and a non-zero vector not parallel to . The angles of the triangle, two of whose sides are represented by 