Explore topic-wise MCQs in Vector Calculus.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Vector Calculus knowledge and support exam preparation. Choose a topic below to get started.

1.

The curl of vector field ( vec{f} (x,y,z) = x^2 hat{i} + 2z hat{j} y hat{k} ) is _________

A. (-3 hat{i} )
B. (-3 hat{j} )
C. (-3 hat{k} )
D. 0
Answer» B. (-3 hat{j} )
2.

A vector field with a vanishing curl is called as __________

A. Irrotational
B. Solenoidal
C. Rotational
D. Cycloidal
Answer» B. Solenoidal
3.

Divergence and Curl of a vector field are ___________

A. Scalar & Scalar
B. Scalar & Vector
C. Vector & Vector
D. Vector & Scalar
Answer» C. Vector & Vector
4.

A vector field which has a vanishing divergence is called as ____________

A. Solenoidal field
B. Rotational field
C. Hemispheroidal field
D. Irrotational field
Answer» B. Rotational field
5.

Chose the curl of ( vec{f} (x ,y ,z) = x^2 hat{i} + xyz hat{j} z hat{k} ) at the point (2, 1, -2).

A. (2 hat{i} + 2 hat{k} )
B. (-2 hat{i} 2 hat{j} )
C. (4 hat{i} 4 hat{j} + 2 hat{k} )
D. (-2 hat{i} 2 hat{k} )
Answer» E.
6.

Curl of ( vec{f} (x, y, z) = 2xy hat{i}+ (x^2+z^2) hat{j} + 2zy hat{k} ) is ________

A. (xy^2 hat{i} 2xyz hat{k} ) & irrotational
B. 0 & irrotational
C. (xy^2 hat{i} 2xyz hat{k} ) & rotational
D. 0 & rotational
Answer» C. (xy^2 hat{i} 2xyz hat{k} ) & rotational
7.

Divergence of ( vec{f} (x, y, z) = e^{xy} hat{i} -cos y hat{j}+(sinz)^2 hat{k}. )

A. ye<sup>xy</sup>+ cos u2061y + 2 sinz.cosz
B. ye<sup>xy</sup> sin u2061y + 2 sinz.cosz
C. 0
D. ye<sup>xy</sup>+ sin u2061y + 2 sinz.cosz
Answer» E.
8.

Divergence of ( vec{f}(x,y,z) = frac{(x hat{i}+y hat{j}+z hat{k})}{(x^2+y^2+z^2)^{3/2}}, (x, y, z) (0, 0, 0). )

A. 0
B. 1
C. 2
D. 3
Answer» B. 1
9.

What is the divergence of the vector field ( vec{f} = 3x^2 hat{i}+5xy^2 hat{j}+xyz^3 hat{k} ) at the point (1, 2, 3).

A. 89
B. 80
C. 124
D. 100
Answer» C. 124