Solved question paper for PHYSICS May-2010 (B-TECH 1st-2nd)

Solved Question Paper

Engineering physics May-2010

PTU • B-TECH • Civil Engineering • 1st-2nd • May-2010

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 lbo questions from Section B & C.
    Short Answer May-2010 • PTU B-TECH
  2. Which type of magnetic materials have permanent magnetic dipole moment associated to them?
    Short Answer May-2010 • PTU B-TECH
  3. What is Bohr-magneton?
    Short Answer May-2010 • PTU B-TECH
  4. Which laser gives output radiation having frequency in the visible as well as IR region? .s, d) What does permittivity of a medium signifies. State its value fbr free space.
    Short Answer May-2010 • PTU B-TECH
  5. Why a three level laser normally provide a ptrlscd output? 0 What do you understand by "10 5dB/Km@850nm"?
    Short Answer May-2010 • PTU B-TECH
  6. I low you define proper length and proper time interval as per special theory of relativity?
    Short Answer May-2010 • PTU B-TECH
  7. Why n:-0 state is nbt ailowed for particle confined to an infinite potential box?
    Short Answer May-2010 • PTU B-TECH
  8. What is ttrre physical significance attached to the conditions of continuity and single-valued nature of an acceptable wave function? t What is a Cooper pair? R-Sqy Pr,o. wlw.a$subjeett4y?urogrd Scction - B -"
    Short Answer May-2010 • PTU B-TECH
  9. State and explain the Ampere's law and express it in differential form. Further explain how Maxwell modified this law to accept this as one of the Maxwell equations.
    Short Answer May-2010 • PTU B-TECH
  10. lhe electrostatic potential in a certain space is given by U:3x -+- 4y - 62. Calculate the corresponding electric field strength (E)
    Short Answer May-2010 • PTU B-TECH
  11. What are ferromagnetic domains? Explain their existence in terms of atomic dipole moments.
    Short Answer May-2010 • PTU B-TECH
  12. I-Iow you distinguish between hard and soft magnetic materials.
    Short Answer May-2010 • PTU B-TECH
  13. What do you mean by magnetostriction?
    Short Answer May-2010 • PTU B-TECH
  14. Spccify three types of possible transitions betwcen two atomic energy levels and derive relations for the Einstein's coefficients.
    Short Answer May-2010 • PTU B-TECH
  15. Calculate the ratio of transition rates of spontancous emission to the stimulated emission for light of wavelength 10-6m and cavity temperature T:100K and hence determine which type of emission will dominate? QS) (a) Describe construction of an optical fiber with help of diagram. Further, describe different factors responsible for loss of signal propagating through a fiber.
    Short Answer May-2010 • PTU B-TECH
  16. Calculate the numerical aperture, acceptance angle and the critical angle of a fiber having core and cladding refractive indices as 1.5 and 1.45, respectively.
    Short Answer May-2010 • PTU B-TECH
  17. State and explain postulates of special theory of relativity with help of example.
    Short Answer May-2010 • PTU B-TECH
  18. Define time dilation and derive the expression relating thc time interval as observed in two inertial frames of references.
    Short Answer May-2010 • PTU B-TECH
  19. Irind total energy of an electron and a proton, both having momentum cqual to 2MeYlc. R-808 QZ) (a) What is Moseley's law? Discuss its significance.
    Short Answer May-2010 • PTU B-TECH
  20. Discuss origin of characteristic and continuous x-rays.
    Short Answer May-2010 • PTU B-TECH
  21. The first maxima for Bragg's difkaction of x-rays from KCI crystal (d -' 0.314 nm) appears at 14". Calculate energy of the incident x-rays. QS) (a) Establish time dependent Scluodinger wave equation and further deducc time indcpcndent form of this equation.
    Short Answer May-2010 • PTU B-TECH
  22. What arc thc characteristics of a well behaved wave-function.
    Short Answer May-2010 • PTU B-TECH
  23. Find the probability that a particle trappod in a box of width L can be found between 0.451, and 0.55L for ground state. - Q9) (a) Discuss the important differences between type-I and typc-Il superconductors with help of example and plots of magnetization (M) Vs magnetic field (H).
    Short Answer May-2010 • PTU B-TECH
  24. What is Meissner effect? Further explain the effect of magnetic field on thc superconducting state.
    Short Answer May-2010 • PTU B-TECH
  25. Define London penetration depth and write its expression. [4Atvr"a#s,-r.hru.n*",.,. J J Jt -"lo,,ty?IJ , t4,, ,, R-808 3
    Short Answer May-2010 • 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.