Solved question paper for SCOP May-2019 (B-TECH 1st-2nd)
Solved Question Paper
Semi-Conductor and Optoelectronics Physics May-2019
PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2019
Semi-Conductor and Optoelectronics Physics previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for Semi-Conductor and Optoelectronics Physics, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for semi-conductor and optoelectronics physics previous year question paper while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
These Questions are downloaded from www.brpaper.com. You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.
Solved Questions
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SECTION - B & C. have FOUR questions each.Short Answer May-2019 • PTU B-TECH
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Select atleast TWO questions from SECTION - B & C.Short Answer May-2019 • PTU B-TECH
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What are the limitations of free electron theory?Long Answer 10 Marks May-2019 • PTU B-TECH
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Discuss the physical significance of the wave function.Long Answer 10 Marks May-2019 • PTU B-TECH
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What are Brillouin zones?Long Answer 10 Marks May-2019 • PTU B-TECH
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How n-type and p-type semiconductors are produced?Long Answer 10 Marks May-2019 • PTU B-TECH
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What is the characteristic difference between metals and semiconductors from the consideration of temperature coefficient of resistivity?Long Answer 10 Marks May-2019 • PTU B-TECH
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The threshold wavelength of a photo diode is 750 nm. Calculate the energy gap in the photo diode in electron volts.Long Answer 10 Marks May-2019 • PTU B-TECH
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Explain the term absorption and spontaneous emission of radiation.Long Answer 10 Marks May-2019 • PTU B-TECH
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Dec 2023 Discuss stimulated emission, absorption and spontaneous emission in detail.
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Why four probes are required for the measurement of resistivity of semiconductor in four probe method.Long Answer 10 Marks May-2019 • PTU B-TECH
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What do you mean by effective mass of electron?Long Answer 10 Marks May-2019 • PTU B-TECH
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What physical parameters can be known from I-V characteristics of diode? 2 | M-75363 (S1)-2761Long Answer 10 Marks May-2019 • PTU B-TECH
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May 2023 Write briefly: h) What physical parameters can be extracted from I-V characteristics of the diode?
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Dec 2023 How can we extract different parameters from I-V characteristics of diode?
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What are density of energy states in metals ? Derive an expression for density of energy states of a metal. [8]Short Answer May-2019 • PTU B-TECH
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Discuss the Kronig-Penny model for the motion of an electron in a periodic potential. [8]Short Answer May-2019 • PTU B-TECH
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May 2023 Discuss the Kronig-Penny model for the motion of an electron in a periodic potential.
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Derive an expression for the densities of electrons and h oles in the conduction and valence bands respectively of an intrinsic semiconductor [8]Short Answer May-2019 • PTU B-TECH
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May 2023 Derive an expression for the densities of electrons and holes in the conduction and valence bands respectively of an intrinsic semiconductor.
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What do you mean by carrier generation and recombination process? [4]Short Answer May-2019 • PTU B-TECH
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May 2025 Write briefly: e) What do you understand from carrier generation and recombination?
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Dec 2023 e) What do you understand from carrier generation and recombination?
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Dec 2020 What do you mean by carrier generation and recombination process? [4]
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Differentiate metals, semiconductors and insulators on the basis of band theory. [4]Short Answer May-2019 • PTU B-TECH
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What do you mean by laser and its working principle? Obtain a relation between transition probabilities of spontaneous and stimulated emission. [3+5=8]Short Answer May-2019 • PTU B-TECH
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Discuss structure and working of PIN and Avalanche photodiodes. [8]Short Answer May-2019 • PTU B-TECH
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Discuss in detail the working and characteristics of light emitting diodes. [8]Short Answer May-2019 • PTU B-TECH
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Illustrate with proper diagram about the measurement of carrier density, resistivity and hall mobility by van der Pauw method. [8] NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.Short Answer May-2019 • PTU B-TECH
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FAQ
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Answers about this subject, solved papers, and preparation.
01 Where can I find Semi-Conductor and Optoelectronics Physics previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists Semi-Conductor and Optoelectronics Physics question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year Semi-Conductor and Optoelectronics Physics papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does Semi-Conductor and Optoelectronics Physics usually cover?
The question papers here relate to the official Semi-Conductor and Optoelectronics Physics syllabus set by the university for this course and semester.
05 Does this page include a Semi-Conductor and Optoelectronics Physics previous year question paper or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.