Chapter 10: Vector Algebra

Important Questions

1.

2.

3.

4. If a line makes angles 90°.60°and θ with x, y and z-axis repectively, where θ is acute, then find θ.

5. Write the position vector of the mid-point of vector joining the points P(2,3,4) and Q(4,1,–2).

Sample Questions

1.

2. Write the direction ratios of the following line:

3.

4.

5. and are two vectors such that then prove that vector is perpendicular to vector .

6. If and then find the projection of and .