Solved question paper for PHYSICS Dec-2020 (B-TECH 1st-2nd)

Solved Question Paper

Engineering physics Dec-2020

PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2020

engineering 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 engineering 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 engineering physics with answers pdf 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.

Solved Questions

Solved
  1. What do you mean by a rotational and irrotational field?
    Short Answer Dec-2020 • PTU B-TECH
  2. Give the expression for Poynting vector and its physical significance.
    Short Answer Dec-2020 • PTU B-TECH
  3. Differentiate between Type - I & Type - II superconductors.
    Short Answer Dec-2020 • PTU B-TECH
  4. Define terms: unit cell, basis and space lattice.
    Short Answer Dec-2020 • PTU B-TECH
  5. Write about the basic components of a laser system.
    Short Answer Dec-2020 • PTU B-TECH
  6. What do you understand by material dispersi on and pulse broadening in optical fibres?
    Short Answer Dec-2020 • PTU B-TECH
  7. Write Einstein ’ s two postulates of special theory of relativity.
    Short Answer Dec-2020 • PTU B-TECH
  8. Derive the energy - momentum relationship.
    Short Answer Dec-2020 • PTU B-TECH
  9. What do you understand by eigen functions & eigen values in quantum mechanics?
    Short Answer Dec-2020 • PTU B-TECH
  10. What is t he surface to volume ratio at nanoscale? 2|M- - 352-B11 . a) Discuss different types of polarization in dielectrics. 3 b) Write Maxwell ’ s equations in free space in their integral form. 2 c) Explain Electromagnetic spectrum giving basic ideas of different regions. 312. What is a superconducting state of a substance? Explain superconductivity on the basis of BCS theory. 813. a) Differentiate between continuous and characteristic X - rays. 3 b) Discuss briefly the experimental method for crystal structure determination by X - ray diffraction. 514. a) Differentiate between three & four level laser systems. 3 b) Discuss the construction, working and energy level diagram of He - Ne Ruby laser. 5-C15 . a) Discuss the propagation mechanism of light waves in optical fibre .2 b) What are single mode, multimode and graded index fibres? 3c) Write a short note on the applications of optical fibres. 316. a) Explain the construction, working and result of Michelson Morley experiment .5 b) Derive the expression for addition of velocities under relativistic motion. 317. a) By giving suitable examples, explain the need and origin of quantum mechanics .4 b) Derive time - independent Schrodinger wave equat ion. 418. a) Discuss the basic difference between 0 D, 1 D, 2D and 3 D nanomaterials. 4 b) What do you understand by carbon nanotubes and methods for their synthesis? 4N OTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any pa ge of Answer Sheet will lead to UMC against the Student
    Short Answer Dec-2020 • PTU B-TECH

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Answers about this subject, solved papers, and preparation.

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01 Where can I find engineering physics previous year question papers for Bachelor of Technology, 1st-2nd semester?

This page lists engineering 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 engineering 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 engineering physics usually cover?

The question papers here relate to the official engineering physics syllabus set by the university for this course and semester.

05 Does this page include a engineering physics with answers pdf 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.