Set - 1
I - B.Tech. Supplementary Examinations, Aug/Sep – 2008 (E.E.E, E.C.E, C.S.C, C.S.I.T, E.I.E, B.M.E, E.Con.E, C.S.S.E, E.Tele & E.Com.E)
|Time: 3 hours||Max. Marks: 80|
Note: Answer any FIVE questions
All questions carry equal marks
1a. Define coordination number and packing factor of a crystal.
b. Describe BCC crystal structure, with a suitable example.
c. Obtain an expression for the packing factor of FCC structure. (4 + 6 + 6)
2a. Derive 3-dimensional, time independent Schrodinger wave equation for an electron.
b. What is the physical significance of wave function?
c. Deduce the expression for energy of an electron confined to a potential box of width ‘x’. (6 + 4 + 6)
3a. Discuss with suitable mathematical expressions, the Kronig-Penney ...
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