Extinction of languages and dialects can be prevented through the following ways:
1. Transferring the vocabulary and dialects of the language to the next generation.
2. Teaching the languages in colleges and universities and encouraging students to specialize in the same.
3. Teaching children to use mother-tongue.
4. Remaining connected to one’s cultural roots.
5. Respecting one’s language which will help in taking it forward to the coming generations.
Figures 9.20(a) and (b) refer to the steady flow of a (non-viscous) liquid. Which of the two figures is incorrect ? Why ?