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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.
1. |
Gaussian error function in denoted as ef. |
A. | True |
B. | False |
Answer» C. | |
2. |
What is the dimension of d2c/dx2? |
A. | cm3 |
B. | cm5 |
C. | cm-3 |
D. | cm-5 |
Answer» E. | |
3. |
Which of the following operator is used and on which side of Fick’s second law’s equation? |
A. | Laplacian operator, right hand side |
B. | Laplacian operator, left hand side |
C. | Curl operator, left hand side |
D. | Gradient, left hand side |
Answer» B. Laplacian operator, left hand side | |
4. |
Gaussian error function in denoted as ef? |
A. | True |
B. | False |
Answer» C. | |
5. |
In non-steady diffusion, a type of atom accumulates or depletes from a region. |
A. | True |
B. | False |
Answer» B. False | |
6. |
Concentration gradient varies with time for which of the following processes? |
A. | Non-steady state diffusion |
B. | Osmosis |
C. | Steady state diffusion |
D. | Filter |
Answer» B. Osmosis | |
7. |
What is the dimension of d2c/dx2? |
A. | cm<sup>3</sup> |
B. | cm<sup>5</sup> |
C. | cm<sup>-3</sup> |
D. | cm<sup>-5</sup> |
Answer» E. | |
8. |
Which of the following operator is used and on which side of Fick’s second law’s equation?$ |
A. | Laplacian operator, right hand side |
B. | Laplacian operator, left hand side |
C. | Curl operator, left hand side |
D. | Gradient, left hand side |
Answer» B. Laplacian operator, left hand side | |
9. |
Which of the following law is a partial differential equation? |
A. | Fick’s first law |
B. | Fick’s second law |
C. | Bragg’s law |
D. | Charles’s law |
Answer» C. Bragg‚Äö√Ñ√∂‚àö√ë‚àö¬•s law | |
10. |
Which of the following will diffuse the fastest in iron? |
A. | W |
B. | C |
C. | H |
D. | He |
Answer» D. He | |
11. |
Which of the following law is used to non-steady state diffusion? |
A. | Fick’s first law |
B. | Fick’s second law |
C. | Bragg’s law |
D. | Charles’s law |
Answer» D. Charles‚Äö√Ñ√∂‚àö√ë‚àö¬•s law | |