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2003 Course Applied Science - I

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Total No. of Questions : 12] [Total No. of Printed Pages : 4 [3661]-12 F. E. Examination - 2009 APPLIED SCIENCE - I (2003 Pattern) Time : 3 Hours] [Max. Marks : 100 Instructions : (1) Answer any three questions from section I and any three questions from section II. (2) Answers to the two sections should be written in separate answer-books. (3) Black figures to the right indicate full marks. (4) Neat diagrams must be drawn wherever necessary. (5) Use of logarithmic tables, slide rule, electronic pocket calculator and steam tables is allowed. (6) Assume suitable data, if necessary. SECTION - I Q.1) (A) A thin film of uniform thickness is illuminated by monochromatic light. Obtain the conditions of darkness and brightness of the film as observed in reflected light. Why does an excessively thin film appear dark in reflected light ? [07] (B) State fundamental postulate of special theory of relativity. Derive the Einstein s Mass Energy relation. [06] (C) How far must the movable mirror of the Michelson s Interferometer be moved in order that 200 fringes of wavelength [04] 6000Ao cross the field of view ? OR Q.2) (A) Explain the formation of Newtons Rings. Show that the diameter of nth dark ring is directly proportional to square root of natural number. [07] (B) Write down Lorentz transformation equations. Derive LorentzFitzgerald contraction equation. Discuss the result. [06] [3661]-12 1 P.T.O.

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