Solved question paper for PHYSICS May-2011 (B-TECH 1st-2nd)

Solved Question Paper

Engineering physics May-2011

PTU • B-TECH • Mechanical Engineering • 1st-2nd • May-2011

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. Selecting atleast Two questions from Section B & C. Q1) a) b) c) d) e) D c) h) ,) ) Section - A (2 morks each) Define remanence and coercivity. Explain the term metastable state and its significance. Explain the term normalized frequency. Give examples ofsolenoidal and irrotational fields. What is the r6st mass of photon. Why we X - rays only for crystal structure determination? How does the result ofquantum mechanics differ from those ofclassical mechanics in harmonic oscillator. what is the difference between perfect diamagnet and superconductor? What effect does the target metal have on the continuous x _ ray spectrum? What is the de - broglie concept of matter waves? Section _ B Using Gauss's law of electrostatics, find the electric field due to auniformly charged solid sphere at a point, which is lying outside thesphere. Iir an electic field the electic potential is given by U(a y, z) = (4f + 3f + g*fro . Calculatetheelectric fieldatpoint(l I l).
    Short Answer May-2011 • PTU B-TECH
  2. R-r268 P,TO.
    Short Answer May-2011 • PTU B-TECH
  3. Briefly describe the phenomenon ofmagnetic hysteresis and why it occurs for ferromagnetic and ferrimagnetic materials'
    Short Answer May-2011 • PTU B-TECH
  4. What is the difference between soft and hard magnetic materials' 20 @) Explainthetermfollowingterms:
    Short Answer May-2011 • PTU B-TECH
  5. PoPulationinversion'
    Short Answer May-2011 • PTU B-TECH
  6. Semiconductorlaser,
    Short Answer May-2011 • PTU B-TECH
  7. HolograPhY.
    Short Answer May-2011 • PTU B-TECH
  8. The light of wavelength 660 nm has a wave train of length I 3'2 x 10{m' Calculate the coherent time'
    Short Answer May-2011 • PTU B-TECH
  9. Find the core radius necessary for single mode operation at 820 nm of a step index fibre with nr= l'480 and n, = l'478'
    Short Answer May-2011 • PTU B-TECH
  10. Differentiate between material dispersion and pulse dispersion' Write down various types of losses in optical fibre'
    Short Answer May-2011 • PTU B-TECH
  11. An electron is moving with a speed of 0'9c' Calculate its total energy and findthe ratio ofNewtoniankinitic enerryto the relativistic kinetic energy.
    Short Answer May-2011 • PTU B-TECH
  12. Describe Michelson Morley experiment and show the negative results obtained from this experiment were interpreted'
    Short Answer May-2011 • PTU B-TECH
  13. Calculate the wavelength of X - rays produced when the potential difference is 12400 volts'
    Short Answer May-2011 • PTU B-TECH
  14. Differentiate between characteristic and continuous X - rays' Give some industrial and engineering applications ofX - rays'
    Short Answer May-2011 • PTU B-TECH
  15. What is Moseley's law? Give its applications' QB) (a) Derive an expression for the time independent Schrddinger wave equation'
    Short Answer May-2011 • PTU B-TECH
  16. An electron.is bound by potential which closely approaches an infinite . square wett of wiatn Z'i * I g-'0 "'' tu'"ulate the lowest three permissible quantum energies the electron can have'
    Short Answer May-2011 • PTU B-TECH
  17. What do you understand by type - I and type - II superconductors? Explain with examPles.
    Short Answer May-2011 • PTU B-TECH
  18. What are London equations? Find the expression for the penetration dePth of a suPerconductor' Q4) 0lll 2R-1268
    Short Answer May-2011 • PTU B-TECH

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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.