05-12-2012, 05:01 PM
New Question Bank
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Q.1 Define and explain in brief “Absorption Coefficient”.
Q.2 Explain the method for determination of wavelength of Ultrasonics.
Q.3 What are the bad acoustical points for auditorium?
Q.4 With neat diagram explain the piezo-electric crystal method for production of
Ultrasonic waves.
Q.5 With neat diagram explain the magneto-striations method for production of
Ultrasonic waves.
Chapter 2.-Diffraction, Polarization and Photometry.
Q.1 Define resolving power of plain transmission grating and hence obtain
Expression for it.
Q.2 Write note on “Laurentz’s half shade polarimeter”.
Q.3 What is photo-voltaic photometer? How it is used to verify the inverse square
Law?
Q.4 Explain double refraction on the basis of Huygen’s principle.
Q.5 Explain the terms : 1. Standard candle. 2. Luminus flux.
3. Lumen. 4.Secodary standards.
Q.6 Write a note on “photoelasticity”
Chapter 3.- Laser
Q. 1 Describe construction and working of Ruby Laser.
Q. 2 Explain principle, working of semiconductor laser.
Q. 3 Explain the following terms ; 1.Population inversion 2. Spontaneous emission
3. Pumping. 4. Stimulated emission
5.Metastable state.
Q. 4 What is “Holography”? Explain construction, reconstruction and properties of
Holography.
Q. 5 Write applications of laser.
Chapter 4.- Fibre optics.
Q. 1 Explain principle, structure and classification of optical fibre.
Q. 2 Write brief applications optical fibre.
Q. 3 State advantages of optical fibre over conventional method of
communication.
Q. 4 Draw a block diagram of optical fibre communication and explain function
of each block.
Q. 5 Define the term numerical aperture and acceptance angle. Derive an
expression for numerical aperture.
Chapter 5:-Nuclear Energy.
Q.1 Describe the different basis for classification of nuclear fission reactor.
Q.2 Explain the carbon-Nitrogen cycle for the production of the fusion energy in
the sun and stars.
Q.3 Describe the fusion power reactor with a neat diagram.
Q.4 Define the following: 1.Multiplication factor 2.Chain reaction
3.Critical size 4.Reactor
Q.5 Explain Lawsson criterion, Confinement time and ignition temperature.
Chapter 6:-Crystallography-I
Q.1Define space lattice. List the seven system of crystal lattice along with the
relation of intercepts and interfacial angle and examples of each system of
the unit cells.
Q.2 Define co-ordination number. Obtain the co-ordination number for SC,BCC,
FCC lattice.
Q.3 Define axis of symmetry. Explain diad,triad and tetrad axes of symmetry for
cubic system.
Q.4 Define packing factor. Obtain packing factor for SC,BCC and FCC crystal
structure.
Q.5What are miller indices? How are they determined?