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2003 Course Applied Science - II

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Total No. of Questions : 12] [Total No. of Printed Pages : 4 [3661]-17 F. E. Examination - 2009 APPLIED SCIENCE - II (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions : (1) Answer any three questions from each section. (2) Answers to the two sections should be written in separate answer-books. (3) Black figures to the right indicate full marks. (4) Use of logarithmic tables, slide rule, mollier charts, electronic pocket calculator and steam tables is allowed. (5) Neat diagrams must be drawn wherever necessary. (6) Assume suitable data, if necessary. Constants : h = 6.63 10 34 J-sec. me = 9.1 10 31 kg. e = 1.6 10 19 C. c = 3 108 m/sec. SECTION - I Q.1) (A) State Heisenberg s Uncertainty Principle. Give one experiment to prove its validity. [06] (B) Using Schrodinger s wave equation, find energy and wave function of a particle in a rigid box. Show necessary waveforms. [07] (C) DeBroglie Wavelength of electrons in a monochromatic beam is 7.2 10 11 meters. Calculate the momentum and energy of electrons in the beam in electron volts. [04] OR [3661]-17 1 P.T.O.

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