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).
and 
are two vectors such that 
then prove that vector 
is perpendicular to vector 
.
and 
then find the projection of 
