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

Solved Question Paper

Engineering physics May-2011

PTU • B-TECH • Civil 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. Select at least Two questions from Section - B & C
    Short Answer May-2011 • PTU B-TECH
  2. The speed of storing and reading out information from a computer core is less than a microsecond. Why it is necessary to use ferrite for this . application?
    Short Answer May-2011 • PTU B-TECH
  3. Define spontaneous and stimulated emission.
    Short Answer May-2011 • PTU B-TECH
  4. Explain the term mode related to optical fibre. ' d) Write the Maxwell equations in differential form.
    Short Answer May-2011 • PTU B-TECH
  5. Dose photon have mass? If no, then how photons have momenhrm? 0 What is the significance of Bragg's law?
    Short Answer May-2011 • PTU B-TECH
  6. What is the significance of wave function?
    Short Answer May-2011 • PTU B-TECH
  7. What are the conditions for a material to be a superconductor?
    Short Answer May-2011 • PTU B-TECH
  8. How does x-rays differ from gamma rays?
    Short Answer May-2011 • PTU B-TECH
  9. What is the importance of uncertainty principle? R-541 P.T,O.
    Short Answer May-2011 • PTU B-TECH
  10. Write down maxwell equations and explain their significance.
    Short Answer May-2011 • PTU B-TECH
  11. A solenoid is 1 m long and 3 cm in diameter. It has five layers of windings of 850 turns each and carries a current of 5 A. What is B at its centre.
    Short Answer May-2011 • PTU B-TECH
  12. EXplain the term following terms : (i) magnetic anisotropy,
    Short Answer May-2011 • PTU B-TECH
  13. magnetostriction, (iii) rnagnetic domains.
    Short Answer May-2011 • PTU B-TECH
  14. What are ferrite materials? Give some of its useful applications.
    Short Answer May-2011 • PTU B-TECH
  15. Differentiate between three level and four level lasers. Give the construction and working of He-Ne laser.
    Short Answer May-2011 • PTU B-TECH
  16. What is holography?
    Short Answer May-2011 • PTU B-TECH
  17. A fibre is made withcore of refractive index 1.5 and the claddingis doped to give a refractive index difference of a 0.0005. Find (i) the . cladding refractive index, (ii) the critical angle, (iii) acceptance angle and
    Short Answer May-2011 • PTU B-TECH
  18. numerical aperture.
    Short Answer May-2011 • PTU B-TECH
  19. Describe the role of fiber connectors, splicers and couplers in communication through optical fibers.
    Short Answer May-2011 • PTU B-TECH
  20. Calculate the mass and velocity of an electron having a total energy of 2MeV.
    Short Answer May-2011 • PTU B-TECH
  21. State the fundamentalpostulates ofspecial theory ofrelativity and hence deduce the lorentz ffansformation
    Short Answer May-2011 • PTU B-TECH
  22. What thickness of lead will attenuate a beam of 0.4 MeV x-rays by a factor of 2? Given : F= 2.3/cm.
    Short Answer May-2011 • PTU B-TECH
  23. Why x-rays are preferred for crystal structure determination? Derive an expression for Bragg's law. How Bragg's law is used in crystallography? . 881 a) Derive an expression for the time dependent schrodinger waVe equation.
    Short Answer May-2011 • PTU B-TECH
  24. What is the energy of gamma ray having a wavelength of I R
    Short Answer May-2011 • PTU B-TECH
  25. Explain BCS theory of superconductivity.
    Short Answer May-2011 • PTU B-TECH
  26. What are London equations? Find the expression for the penetration depth of a superconductor. Dtltr R-541 2
    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.