Write all the unit vectors in XY - plane.

Write down a unit vector in XY-plane, making an angle of 30^(@) with the positive direction of x-axis.

Let vec a= hat i be a vector which makes an angle of 120^@ with a unit vector vec b in XY plane. then the unit vector (vec a+ vec b) is

Define unit vector.

What is a unit vector ?

Write the SI unit of power.

Write the SI unit of charge .

Write the SI unit of electric flux

Let vector be the 2hat(i)+hat(j)-hat(k) then find the unit vector in the direction of a vector

Write a unit vector in the direction of the sum of vectors vec(a) = 2hat(i) - hat(j) + 2hat(k) and vec(b) = -hat(i) + hat(j) + 3hat(k) .