Explore topic-wise MCQs in Materials Science.

This section includes 4 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.

There is no difference between diffusion and net diffusion.

A. True
B. False
Answer» C.
Discussion
2.

In dilute aqueous solutions which of the following can be the value of diffusion coefficient at room temperature?

A. 0.7e<sup>-9</sup>
B. 0.7e<sup>-10</sup>
C. 2.2e<sup>-9</sup>
D. 2.2e<sup>-10</sup>
Answer» B. 0.7e<sup>-10</sup>
Discussion
3.

The diffusivity of copper in copper increases by how many times when the temperature is increased from 500 C to 1000 C?

A. 200000
B. 100000
C. 150000
D. 170000
Answer» B. 100000
Discussion
4.

Which of the following is not a part of Fick s first law?

A. Diffusion flux
B. Diffusion coefficient
C. Change in concentration with respect to the position in space
D. Change in concentration with respect to time
Answer» E.
Discussion