" If "bar(n)" is a unit vector in the direction of the vector "bar(A)" ,then: "

If bar a=hat i+hat j-4hat k and bar(b)=hat 4i-hat j-2hat k then find (i) a unit vector in the direction of the vector (2bar(a)-bar(b))

Find unit vector in the direction of vector bar(a) = (2bar(i)+3bar(j)+bar(k))

Find the unit vector in the direction of the sum of the vectors bar(a) = 2bar(i)+ 2bar(j) - 5bar(k) and bar(b) = 2bar(i) + bar(j) + 3bar(k) .

If the position vectors of A, B are 2bar(i)-9bar(j)-4bar(k), 6bar(i)-3bar(j)+8bar(k) then the unit vector in the direction of vec(AB) is

Let bar(a)=bar(i)+2bar(j)+3bar(k)andbar(b)=3bar(i)+bar(j) . . Find a unit vector in the direction of bar(a)+bar(b)

The unit vector in the direction of bar(x)=(-2,1,-2) is …………..

A : The poynting vector given as bar(S) = (bar(E ) xx bar( B))/(mu_0) represents the instantaneous intensity at a point. R : The velocity of an electromagnetic wave is in the direction of the vector bar( E) xx bar (B) .

A : The poynting vector given as bar(S) = (bar(E ) xx bar( B))/(mu_0) represents the instantaneous intensity at a point. R : The velocity of an electromagnetic wave is in the direction of the vector bar( E) xx bar (B) .