Nilamber-Pitamber University 2009 B.Tech Computer Science and Engineering ,Medininager, - Question Paper

first Semester
ans any 5 ques.
1(a) elaborate inertial and non inertial frames of reference?Explain Michelson-Morely experiment and its consequence. 10.
(b)Write postulates of special theory of relativity .Derive an expression to show equivalence ranging from mass and energy. 10.
2(a)What are cardinal points of a coaxial system ?State their properties and show their positions in a diagram. 10.
(b)Two thin convergent lenses are placed coaxially at a distance of 5cm.If the focal length of every lens is 10 cm,find for the combination- 10
(i)The focal length ;
(ii) The power ;
(iii) Position of the principal point;
3(a)What are coherent sources?Write condition for sustained interference and derive condition for constructive and destructive interference analytically. 10
(b)Describe in detail as to how Newton's rings are formed.Find an expression for radius of nth dark ring. 10
4(a)Discuss the fraunhofer diffraction at a single slit .Also show the intensity distribution graph. 10.
(b)Distinguish ranging from the Fresnel and Fraunhoferr classes of diffraction. 10.
5(a)Describe the construction and use of Nicol's prism and discuss how it produces plane polarized light. 10.
(b)Calculate the thikness of a quarter wave plate for the light of wavelength 5890A'.The refractive indices for 0-and e-rayes are 1.55 and 1.50 respectively. 10.
6(a)What are ultrasonic waves ?Describe basic principal with neat diagram for the production of ultrasonic wave. 10.
(b) Write characteristics of ultrasonic waves and discuss its different uses. 10.
7(a)State and prove Bernoulli's theorem for a liquid along a streamline ,pointing out clearly the assumptions made. 10.
(b) State and discuss Torcell's theorem. 10.
8(a)Write short notes of any 2 of the subsequent : 10*2=20
(a)fresnwl's biprism
(b)Viscosity and co-efficient of viscosity
(c) Lorentz transformation
(d)Brewster's legal regulations.

Earning:   Approval pending.