Material Science Bachelor Level 8 Semester/Term UET Taxila — University of Engineering & Technology Taxila
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BS ZOOLOGY first semester Animal diversity ZOOL 101 - university of Punjab 2025
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Literary criticism
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this paper consists of 60 marks but now we have 35 marks paper.
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Can you please tell me more past papers please because my exams are starting from next week
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Did you provide the past papers of the science of society uos?
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Paper text
Tribhuvan University
2080
Bachelor Level (4 Yrs.)/Science & Tech. / IV year
Full Marks: 100
Material Science
Time: 3 hrs.
Candidates are required to give their answers in their own words as far
as practicable.
The figures in the margin indicate full marks.
PHY- 405 (New Course)
Attempt ALL the questions.
1. Discuss the different types of crystal structure. Also discuss stress
strain nature of ceramics.
[10]
OR
What is meant by lithography technique for material's synthesis?
Explain with figures.
2. Explain the DoS Vs energy for 1D, 2D and 3D with examples. [10]
OR
What are carbon nanotubes? Mention some of their properties and
applications..
Why is it so important to control the rate of drying of a ceramic body
that has been hydro plastically formed or slip cast? Cite three factors
that influence the rate of drying and explain how each affect the rate.
4. Discuss how material engineering can play a role in "green design".
5. What do you mean by absorption of radiation? Explain the working
mechanism of an optical fiber in communication.
6. Discuss the working principle of light emitting diode. Write down the
importance of polymeric substances.
7. Answer all questions
[8]
[8]
[8]
[8]
[2×3=6]
a)
What do you mean by the term ferroelectricity and
piezoelectricity?
