Mechanical Engineering > GATE 2013 SET-1 > Vector Calculus
The following surface integral is to be evaluated over a sphere for the given steady velocity vector field F=xi+yj+zk defined with respect to a Cartesian coordinate system having i, j and k as unit base vectors.
∫∫S (1/4)(F.n)dA
where S is the sphere, x2+y2+z2=1 and n is the outward unit normal vector to the sphere. The value of the surface integral is
A
π
B
C
3π/4
D

Correct : a

Similar Questions

The directional derivative of the function f(x, y) =x2+y2 along a line directed from (0,0) to (1,1), evaluated at the point x = 1, y = 1 is
#97 MCQ
A vector field B(x,y,z)=xî+yĵ-2zk is defined over a conical region having height h=2, base radius r=3 and axis along z, as shown in the figure. The base of the...
#239 Fill in the Blanks
Given a function 𝜑 = 1/2(x2 + y2 + z2) in three-dimensional Cartesian space, the value of the surface integral where 𝑆 is the surface of a sphere of unit radiu...
#274 MCQ

Related Topics

surface integral sphere GATE Mechanical Engineering 2013 mechanical engineering gate sphere surface integral outward unit normal vector steady velocity field Cartesian coordinate system unit base vectors mechanical engineering exam 2013 GATE 2013 Set-1

Unique Visitor Count

Total Unique Visitors

Loading......