Solved question paper for PHYSICS May-2005 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2005
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2005
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.
PART A
1. EM waves & Dielectrics:
Physical significance of Gradient, Divergence & Curl, Relationship between Electric Field & Potential, Dielectric polarization, displacement Current, Types of polarization, Maxwell‟s Equations, Equation of EM waves in free space, velocity of EM waves, Poynting vector, Electromagnetic Spectrum ( Basic ideas of different region).
2. Magnetic Materials & Superconductivity:
Basic ideas of Dia, Para, Ferro & Ferri, Ferrites, Magnetic Anisotropy, Magnetostriction its applications in production of Ultrasonic waves, Superconductivity, Superconductors as ideal diamagnetic materials, Signatures of Superconducting state, Meissner Effect, Type I & Type II superconductors, London Equations, Introduction to BCS theory.
3. Elements of crystallography:
Unit cell, Basis, Space lattice, Crystal Systems, Miller Indices of Planes & Directions in cubic system, Continuous & Characteristic X-Rays, X-Ray Diffraction & Bragg‟s law in Crystals, Bragg‟s spectrometer, X-ray radiography.
4. Lasers:
Spontaneous & Stimulated emissions, Einstein‟s Coefficients, Population Inversion, Pumping Mechanisms, Components of a laser System, Three & four level laser systems; Ruby, He-Ne, CO2 and semiconductor Lasers, Introduction to Holography.
PART B
5. Fibre Optics:
Introduction, Acceptance Angle, Numerical Aperture, Normalized frequency, Modes of propagation, material dispersion & pulse broadening in optical fibres, fibre connectors, splices and couplers, applications of optical fibres.
6. Special Theory of Relativity:
Concept of Ether, Michelson Morley Experiment, Einstein‟s postulates, Lorentz transformation equations; length, time and simultaneity in relativity, addition of velocity, variation of mass with velocity, Mass-Energy and Energy-momentum relations.
7. Quantum Theory:
Need and origin of quantum concept, Wave-particle duality, Matter waves, Group & Phase velocities, Uncertainty Principle, Significance & normalization of wave function, Schrodinger wave equation: time independent & dependent, Eigen functions & Eigen values, particle in a box.
8. Nanophysics:
Nanoscale, surface to volume ratio, electron confinement, nanoparticles (1D, 2D, 3D), Nanomaterials, Unusual properties of nanomaterials, synthesis of nanomaterials- ball milling and sol-gel techniques, Carbon nanotubes (synthesis and properties), applications of nanomaterials.
Solved Questions
Solved-
State the Ampere’s circuital law in electrom agnetism.Short Answer May-2005 • PTU B-TECH
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Dec 2017 State Ampere\'s circuital law in electromagnetism.
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May 2012 Define Faraday’s laws of electromagnetic induction.
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May 2008 State and explainAmpere\'s circuital law.
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Dec 2004 State the faraday’s law in electromagnetic i nduction.
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Define the magnetic induction and magnetization.Short Answer May-2005 • PTU B-TECH
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Dec 2004 Define magnetic intensity and magnetization.
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What is holography?Short Answer May-2005 • PTU B-TECH
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May 2018 State the working principle of holography
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May 2013 What is the fundamental principle of a hologram?
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May 2011 What is holography?
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Dec 2011 What is a hologram? How is it produced and how is the image reconstructed from it?
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Dec 2010 What is the fundamental principle of a hologram?
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Dec 2005 What is holography?
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What is total internal reflection?Short Answer May-2005 • PTU B-TECH
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May 2024 What is total internal reflection?
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State Einstein’s postulates of special theory of relativity.Short Answer May-2005 • PTU B-TECH
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Dec 2020 Write Einstein ’ s two postulates of special theory of relativity.
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May 2018 Write the postulates of special theory of relativity.
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May 2017 Give basic postulates of special theory of relativity.
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May 2017 Give basic postulates of special theory of relativity.
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Dec 2017 Write the Einstein\'s postulates of special theory of relativity.
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May 2015 What were the postulates of special theory of relativity?
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May 2014 State the postulates of the Special Theory of Relativity.
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May 2013 What are postulates of special theory of relativity?
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Dec 2011 Give Einstein postulates of special theory of relativity.
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May 2010 State and explain postulates of special theory of relativity with help of example.
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Dec 2009 Explain various postulates of Special theory ofRelativity.
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Dec 2007 Write the postulates of Einstein special theory of relativity.
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Dec 2004 State Einstein’s postulates of special theory of relativity.
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Explain Moseley’s law.Short Answer May-2005 • PTU B-TECH
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What is Compton Effect?Short Answer May-2005 • PTU B-TECH
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May 2012 Define Compton effect
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What is the effect of magnetic field on superconductivity?Short Answer May-2005 • PTU B-TECH
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Dec 2019 What is meant by Critical temperature in context of superconductors?
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May 2012 What do you understand by thermodynamics of superconductors? Comment of present status.
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May 2011 What are the conditions for a material to be a superconductor?
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Dec 2008 What do you mean by the term \'Field penetration\' in super conductors?
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What do you understand by Eigen values and Eigen functions?Short Answer May-2005 • PTU B-TECH
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Dec 2020 What do you understand by eigen functions & eigen values in quantum mechanics?
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May 2019 What do you mean by eigenfunctions and eigenvalues?
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Dec 2017 What do you understand by eigen functions.
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Give some applications of ferrites.Short Answer May-2005 • PTU B-TECH
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Dec 2017 What do you understand by ferrites? Discuss their main applications.
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Dec 2017 Explain the term ‘ferrites’ Discuss various applications of ferrites.
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May 2015 Write a short note on ferrites and their applications.
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Dec 2015 What are ferrite materials? Discuss their atomic origin and give certain applications of ferrites. (4)
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May 2011 What are ferrite materials? Give some of its useful applications.
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Dec 2009 Mention some applications ofFerrite.materials.
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May 2008 What are ferrites? Give their applications. R - sey [20ss] P.TO.
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Dec 2005 What are ferrites?
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What is meant by dielectric polarization? Define the terms electric intensity E, electrical polariz ation P and electric displacement D and establish the relation. D = ε 0 E + P where ε 0 is permittivity of vacuum.Short Answer May-2005 • PTU B-TECH
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What do you understand by magnetic materials? Wh at are differences between hard and soft magnetic materials?Short Answer May-2005 • PTU B-TECH
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Dec 2017 Discuss the complete classification of magnetic materials. What are the differences between soft and hard magnetic materials?
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May 2011 What is the difference between soft and hard magnetic materials\' 20 @) Explainthetermfollowingterms:
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Dec 2005 What is difference between soft and hard magne tic materials?
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Explain the term spontaneous and simulated emiss ion. Explain the construction and working of a Ruby Laser.Short Answer May-2005 • PTU B-TECH
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Dec 2017 Explain the terms, spontaneous and stimulated emission. Describe the working of Ruby laser.
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What is numerical aperture? Calculate the numeri cal aperture and acceptance angle for an optical fiber, given that refractive index of core and cladding are 1.45 and 1.40 respectively.Short Answer May-2005 • PTU B-TECH
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May 2010 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.
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Dec 2009 Calculate the numerical aperture, acceptance angle and the critical angel of a fiber having core refractive index 1.5 and the cladding refractive index 1.45.
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Dec 2004 What is total internal reflection? Calculate the numerical aperture and hence the acceptance angle for an optical fiber given than refractive index of the core and cladding are 1.45 and 1.40 respectively.
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On the basis of Lorentz transformation discuss the following effects:Short Answer May-2005 • PTU B-TECH
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Dec 2017 Where do we use Lorentz transformations, and why.
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May 2012 Elaborate the concept and utility of Lorentz transformations.
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Length contractionShort Answer May-2005 • PTU B-TECH
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Dec 2008 Length Contraction.
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time dilation A scientist observes that a certain atom ‘A’ movin g to him with velocity 2 x 10 10 cm/sec emits aShort Answer May-2005 • PTU B-TECH
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Explain the production of characteristic X-ray s pectra. An X-ray tube operated at 40 KV emits a continuous X-ray spectrum with a short wavelength l imit X m = 0.310 Å. Calculate the Plank’s constant.Short Answer May-2005 • PTU B-TECH
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Dec 2004 Explain the production of characteristic X-ray s pectra. An X-ray tube operated at 40 KV emits a continuous X-ray spectrum with a short wavelength l imit X m = 0.310 Å. Calculate the Plank’s constant.
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What is the need of Quantum Mechanics? Discuss B orn’s interpretation and normalization of wave function. At certain time, the normalized wave func tion of a particle moving along x-axis has the form given by ψ (x) = x + β for – β < x < 0 = -x + β for 0< x < β and zero else where. Find the value β of and the probability that the particle positions between x = β/2 and x = βShort Answer May-2005 • PTU B-TECH
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What is Miesnner effect? Show how London equatio ns lead to this effect. A type-I superconductor with T C = 7K has shape dB T /d T = -25mT/K = T C Estimate its critical field at 6K. Calculate the j ump in specific heat at TShort Answer May-2005 • PTU B-TECH
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Dec 2004 What is superconductivity? What are differences between Type-I and Type-II superconductors? A type-I superconductor with T C = 7K has shape dB T /d T = -25mT/K = T C Estimate its critical field at 6K. Calculate the j ump in specific heat at T
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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.
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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.