Engineering physics
Previous year question paper with solutions for Engineering physics
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- Define Electrodynamics.
- What do you mean by spatial coherence?
- Differentiate between ferromagnetic and ferrimagnetic materials.
- What is Isotope effect?
- What do you mean by Couplers?
- �Is earth an inertial frame of reference�? Comment.
- What is non-destructive testing?
- What do you understand by expectation values?
- �Can we synthesise superconducting wires�? Comment.
- What do you mean by orthogonal wave function?
- What are main characteristics of dielectric materials?
- What do you mean by polarization of EM waves?
- What do you understand by Meissner effect?
- What are type I superconductors?
- What do you mean by X-ray radiography?
- What do you mean by stimulated emission?
- What do you mean by length contraction?
- What is physical significance of Numerical aperture in reference to fibre communication?
- What is the concept of wave packet?
- What is quantum dot?
- Which type of magnetic materials have permanent magnetic dipole moment associated to them?
- What is Bohr-magneton?
- Which laser gives output radiation having frequency in the visible as well as IR region?
- What is the physical significance of divergence of a vector field?
- Why a three level laser normally provide a pulsed output?
- What do you understand by �10.5dB/Km@850nm�?
- How you define proper length and proper time interval as per special theory of relativity?
- Why n = 0 state is not allowed for particle confined to an infinite potential box?
- What do you mean by a primitive unit cell?
- What is a Cooper pair?
- Write Maxwell�s equations in differential form and give their physical significance
- What is the physical significance of pointing vector?
- How do you understand by the phenomenon of diamagnetism?
- Why the lasing action is easier in four level laser systems?
- Why do we observe spiked output of ruby laser?
- What is the basic principle of guiding the light wave through an optical fiber?
- What were the results of Michelson-Morley Experiment?
- Why an electron can�t be accelerated in a cyclotron?
- What is Mosley�s law and how it is useful classification of elements in periodic table.
- What is a cooper pair and how it is formed ?
- Why no Compton effect can be observed with radiowaves?
- What are the conduction and displacement currents?
- What is Isotope effect?
- What is the physical phenomenon underlying the generation of x-rays?
- What is stimulation emission and give the factors on which its rate depends?
- What is acceptance angle of an optical fiber?
- What do you understand by simultaneity of an event in the special theory of relativity?
- There exists no rest frame for a photon. Why?
- Using time-energy uncertainty principle show that no excited state in any atom can be mono-energetic in nature.
- What do you understand by magnetostriction?
- What is the physical significance of divergence of a vector field?
- Show that divergence of curl of a vector field always vanishes.
- What is isotope effect?
- Distinguish between the origin of characteristic and continuous x-rays.
- Discuss various pumping methods used in lasers for obtaining the state of population inversion.
- What are various signal attenuation and losses in an optical fiber?
- What are space-like and time-like intervals in relativity?
- Using energy-time uncertainty principle, show that no excited state in atom can be mono-energetic in nature.
- Why a particle trapped in a box can�t be at rest?
- Define Nanoscience and Nanotechnology
- Why no Compton effect is observed with visible light?
- What is the origin of displacement current?
- What is Meissner effect?
- What are the origins of characteristic and continuous x-rays?
- What is population inversion and give its significance in lasing action?
- What is acceptance angle of an optical fiber?
- What were the postulates of special theory of relativity?
- Justify why a photon can�t be brought to rest in any frame of reference.
- Why a particle trapped in a box can�t be at rest?
- What are hard and soft magnetic materials?