MCQOPTIONS
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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 | |