Solved question paper for PHYSICS Dec-2007 (B-TECH 1st-2nd)

Solved Question Paper

Engineering physics Dec-2007

PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2007

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. Find the electric field strength for a uniform charge distribution.
    Short Answer Dec-2007 • PTU B-TECH
  2. What is polarization?
    Short Answer Dec-2007 • PTU B-TECH
  3. Define Coercive force and hysteresis.
    Short Answer Dec-2007 • PTU B-TECH
  4. Write the physical significance of Einstein Coefficients.
    Short Answer Dec-2007 • PTU B-TECH
  5. Define Holography.
    Short Answer Dec-2007 • PTU B-TECH
  6. Write the postulates of Einstein special theory of relativity.
    Short Answer Dec-2007 • PTU B-TECH
  7. State Bragg’s law?
    Short Answer Dec-2007 • PTU B-TECH
  8. Distinguish between phase and group velocity.
    Short Answer Dec-2007 • PTU B-TECH
  9. State Meissner effect of superconductivity.
    Short Answer Dec-2007 • PTU B-TECH
  10. Define Acceptance angle and Numerical aperture in optical fibre.
    Short Answer Dec-2007 • PTU B-TECH
  11. Prove Gauss’s law in integral form ∫ S dsE. = 01 ε ∫ dv. ρ .What do you mean by Gaussian surface. Derive Coulomb’s law from Gauss’s law.
    Short Answer Dec-2007 • PTU B-TECH
  12. Deduce Maxwell’s equation for free space and prove that the electromagnetic waves are transverse in nature.
    Short Answer Dec-2007 • PTU B-TECH
  13. Prove that the area of the B-H curve is 1/4 π times the energy dissipated per cc of the metal during each magnetic cycle.
    Short Answer Dec-2007 • PTU B-TECH
  14. Find out the expression of magnetic moment due to orbital and spin motion of electron.
    Short Answer Dec-2007 • PTU B-TECH
  15. Explain the action of He-Ne laser. How it is superior to Ruby laser?
    Short Answer Dec-2007 • PTU B-TECH
  16. In a Ruby laser, total number of Cr +3 ions is 2.8 x 10
    Short Answer Dec-2007 • PTU B-TECH
  17. If the laser emits radiation of wavelength 7000Ǻ, then calculate energy of one emitted photon and total energy available per laser pulse.
    Short Answer Dec-2007 • PTU B-TECH
  18. Differentiate between Step-index and Graded-index fibre.
    Short Answer Dec-2007 • PTU B-TECH
  19. What will be the critical angle for a ray in a step-index fibre for which n=1.53 and which has a cladding whose refractive index is 2.5% less.
    Short Answer Dec-2007 • PTU B-TECH
  20. prove the relation F=ma is covariant under relativistic transformation.
    Short Answer Dec-2007 • PTU B-TECH
  21. Show that the relativistic form of Newton’s second law when F is parallel to v is F=m 0 dt dv 2 / 3 221 −       − cv 7. (a) Explain why the continuous spectrum has a sharp point and short wavelength side?
    Short Answer Dec-2007 • PTU B-TECH
  22. In a x-ray energy 75 KeV is scattered at 45°, then calculate the energy of scattered x-ray.
    Short Answer Dec-2007 • PTU B-TECH
  23. Prove Heisenberg’s uncertainty principle. ∆h.∆p ≥h/2
    Short Answer Dec-2007 • PTU B-TECH
  24. If the energy of the particle is zero, then prove using quantum mechanics that it can not exist in a box.
    Short Answer Dec-2007 • PTU B-TECH
  25. What is London’s penetration depth? How does it vary with temperature?
    Short Answer Dec-2007 • PTU B-TECH
  26. Define Cooper pair. Calculate the wavelength of photon, which will be required to break a Cooper-pair in a superconductor like Zr whose T c is 0.56K.
    Short Answer Dec-2007 • 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.