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 ...

Get Applied Physics now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.