Wednesday 30 September 2015

OPTICS BPH-302 PREVIOUS YEAR PAPER 2014

                                                   UNIT-I                                                      
Q1.a)What is Fermat's principle?Prove the laws of refraction of light using                Fermat's principle.
     b)Define Principal and Nodal points for a coaxial system of lenses with ray          diagram.Two thin convex lenses of focal length 30 cm and 10 cm respectively      are separeted by a distance of 20 cm.Locate the positions of cardinal points          for this lens system.
                                                 
Q2.a)What is the difference between spherical and chromatic aberration?Derive the formula for minimum spherical aberration of two thin lenses separated by a distance.
b)Discuss the working of Ramsden's eye piece.Find the position of cardinal points for this eye piece.Why it is called positive eye piece?
                                                 UNIT-II
Q3.a)Desribe the formation of interfernce fringes in Lloyd's mirror.How achromatic fringes are obtained in case of lloyd's mirror.
b)Explain the effect of introducing a thin transparent material in the path of one of the interfering beams in biprism experiment.

Q4.a)Describe the working of Michelson interferometer.Describe the method
for the measurement of wavelength of a monochromatic light with the help of Michelson interferometer.
b)Find the condition of maxima and minima in case of interfernce of light by a wedge shaped film.
                                                   UNIT-III
Q5.a)Discuss the Fresnel's theory of half period zones.Explain the rectilinear propagation of light on the basis of the theory.
b)What is a zone plate?Compare a zone plate with a convex lens.

Q6.Discuss Fraunhofer diffraction due to a single slit and explain its diffraction pattern.What is the basic difference between Fresnel's and Fraunhofer's class od diffraction?
                                                   UNIT-IV
Q7.a)What is Brewster's angle?Explain Huygen's theory of double refraction in uniaxial crystal.
b)How a polarized light is produced and detected?Discuss a method for production and detection of polarized light.

Q8.What is quarter wave plate?Explain how it is used for analysis of polarized light.Differentiate between quarter wave and half shade polarimeter.
                                                UNIT-V
Q9.a)What is stimulated emmision?Find the relation between Einstein's A and B coefficients.
b)Draw a neat diagram of He-Ne laser and explain its working.

Q10.a)What do you understand by population inversion?How it is achieved in case od Ruby laser?
b)What is coherence length and coherence time?
PM modi ne zuckerburg ko camera ke samne se dhakke mar ke hata diya.

Optics sessional BPH-302

Q1.Describe the formation of interference fringes in Fresnel's biprism.Discuss the method for the measurement of wavelength of a monochromatic light with the help of Fresnel's bprism.

Q2.a)Find the condition of maxima and minima in case of interference of light by a wedge shaped film.
     b)In Fresnel's biprism experiment,on inserting a thin transparent glass plate(refractive index 1.5) in the path of one of the interfering beams of light(wavelength 6000 A),it is found that central bright fringe shifts in to the position already occupied by 5th bright fringe.Calculate the thickness of the glass plate.

Q3.Describe the formation of interfernce fringes in Lloyd'd mirror.What are achromatic fringes?

Q4.Describe the formation of Newton's rings.Obtain expression for the diameter of dark and bright rings.How will you measure the wavelength of a monochromatic light with the help of newton's rings?

10 Inspirational And Motivational Quotes By Bill Gates

Tuesday 29 September 2015

Architecture bcs-301 Sessional

Q1.a)What do you mean by Addressing Modes?Explain any 2 Addressing Modes.
     b)Differentiate between Hardwired and Microprogrammed control Unit.

Q2.a)Explain Arithematic Shift Right operation with exapmle.
      b)Explain Register Stack and memory stack.

Q3.a)Explain three address instruction and two address instruction with example.
      b)Convert following arithematic expression into reverse polish notation:
      X=(A+B*C)*(C-D*E)/F

Q4.a)differentiate between indirect addressing mode and register indirect addressing mode.
      b)Write a short note on Von Neumann machine.

Electricity and Magnetism BPH-301 Sessional

Q1.What do you mean by electric field intensity?Derive an expression for the electric field intensity at any point due to an electric dipole.

Q2.a)State and prove Gauss's Law in electrostatics.
      b)Derive Coulomb's Law from Gauss's Law.

Q3.Use Gauss's law to calculate the electric field intensity due to a uniformly charged sphere at a point
i)outside the surface
ii)on the surface
iii)inside the surface

Q4.What do you understand by a dielectric and dielectric constant of a material?
Explain three vectors E,P,D and establish a relation among them.

Alia Bhat Boobs Bounce

C++ sessional Question Pper

Q1-a)What do you mean by Object Oriented Programming Lamguage?Explain it features.
     b)What is the difference between C and C++?

Q2-a)Compare object oriented programming and procedure Oriented Programming.
      b)Write a program in C++ to find the reverse of a number with or without class.

Q3-a)What do you mean by function?Explain in detail.
      b)Write a program in C++ to calculate the simple interest with or without class.

Q4-Write short note on any two of the following:
      a)Memory management operators
      b)User defined data types
      c)class
      d)Operators in C++
 

Friday 25 September 2015

SESSIONAL PHYSICS

Important Questions of Electricity and Magnetism
Q.What is Electric field Intensity?
Q.What is Gauss law and its proof?
Q.Gauss law in Differential form
Q.Gauss law in Coulomb's law.
Q.Electric Field Intensity
Q.Electric Field due to a uniformly charged Sphere
i) inside the shell
ii) on the surface of shell
iii) outside the shell

SESSIONAL COMPUTER SCIENCE

Important Questions of Computer Organisation and Architecture
Von Numann Machine
Data Transfer and Manipulation Instrutions
Addressing Modes
3,2,1,0 Address Instructions

PREVIOUS YEAR PAPER:COMPUTER

                                 COMPUTER ORGANISATION AND ARCHITECTURE
                                                         BCS-301 2014
                                                             UNIT-I
Q1.What do you understand from Von-Numann Machine model?Explain the 3-Subsystem of Von Numann Model with a block diagram.                                                                                                                  
Q2.Write briefly on General purpose registers and their Functions.
                                                              UNIT-II
Q3.What is Microprogrammed Control Organisation?Explain the Working of Microprogrammed Control unit(MCU) with a block diagram.

Q4.Why DMA is important?Explain its characteristics with the help of a block diagram.
                                                              UNIT-III
Q5.What is Virtual memory?Why it is important for a Computer System?Explain it with a block diagram.

Q6.What is Cache Memroy?How the mapping functions work in cache memory?
                                                              UNIT-IV
Q7.What do you mean by Pipeline processing?Describe the pipeline processors according to level o processing.

Q8.Wxplain the following categories of computer Architecture:
a)SISD     b)SIMD     c)MISD      d)MIMD
                                                               UNIT-V
Q9.What are the functions of a Microprocessor?How the Microprocessor is different from CPU?

Q10.Write down short notes on any two:-
a)What does 16-Bit and 32-Bit exactly mean?
b)I/O Parts
c)Pentium Dual-Core vs Quad-Core Processors

Monday 14 September 2015

DIFFERENTIAL EQUATIONS

                                            DIFFERENTIAL EQUATIONS
                                                                   Unit-I
Differential Equations Definition,Order and Degree of differential Equation,Linear and Non-Linear Differential Equation,Formation of Differential Equation through elimination of arbitary constant,Complete Primitive,General Solution of ordinary Differential Equation,Equation of First order and First degree:Separation of variable

                                                                   Unit-II
Homogeneous Differential Equations,Equations reducible to the homogeneous form,Exact Differential Equations,Condition of Exactness,Integrating Factor,Rules for finding Integrating Factor

                                                                   Unit-III
First Order linear Differential Equations:Integrating Factor,Equations reducible to first order linear equations,Bernoulli's equation,Orthogonal Trajectories:Definition and determination of Orthogonal trajectories in cartesian and Polar coordinates

                                                                   Unit-IV
Higher Order linear Differential Equations with constant coefficients:Complementary function,particular Integral(PI).Methods for finding PI,Euler's homogeneous equation and reduction to an equation of constant coefficients

                                                                   Unit-V
Equaion of First order but not of First degree:Clairaut's Equations,Singular solutions
Exact Equations:Condition for exactness of a linear equation of order n.  

Statics

                                                                STATICS     
                                                                     Unit-I
Virtual Works:Definition of Virtual Displacement and Virtual work done,Difference between Work Done and Virtual Work Done with examples,The principle of Virtual Work,Work Done by the Tension and Thrust of an Extensible String During a small displacement,Some solved Problems.

                                                                      Unit-II
Equillibrium:Stable and Unstable Equillibrium,Moments and Couples and Varignon's theorem of Moments and some solved problems

                                                                      Unit-III
Center of Gravity:Definition of Center of Gravity(C.G) and examples,A system of particles lying in a line,A no. of particles lying in a plane,Compound Body,Remainder body,Uniform plane curve,Plane area,An area enclosed between two curves and solved problems

                                                                       Unit-IVString in Two Dimensions:Definition and examples of Catenary,Definition axis of the Catenary,Vertex of the Catenary,Parameters of the catenary,Directrix of the catenary,Span and Sag of Catenary,Intrinsic and cartesian Equation of common catenary,Some important relations for the common catenary,Approximation to the Common catenary and sag of tightly stretched wires(definitions and examples).

                                                                        Unit-V
Equillibrium in Three dimensions:Equillibrium of forces in Three Dimensions,Wrench and Screw,Pitch of the Wrench and Solved Problms.

Computer Practical

List of Compter practical

Creation of Objects and Array of objects
Friend Function and Friend Classes
Function Overloading
Operator Overloading
Inheritence:Sibgle,Multilevel,Multiple,Hybrid,Hierarchical,Multipath
Virtual Function
Run time Polymorphism
File handling
Template
Exceptional Handling

Computer Syllabus

                                         Computer Organisation and Architecture  
                                                                             
                                                          UNIT-I
Central Processing Unit:Von Neumann Machine(IAS Computer),Operational Flow Chart(Fetch,Execute) Instruction Cycle,Organisation of CPU,Hardwired and Micro programmed Control Unit,General Register Organisation;Stack Organisation,Instruction format and addressing Modes,Data transfer and Data manipulation,Program Contro,CISC vs RISC.

                                                            UNIT-II
Control Unit:Control memory,Address sequencing,Micro program example,Design of Control Unit
I/O Oganisation:Strobe based and hand shake based communications;Modes of Transfer,Vector and priority interrupt,DMA based data transfer.

                                                            UNIT-III
Memory Organisation:Memory Parameters,Classification of memory,Basic cell of Static and Dynamic RAM,Building large memories using chips,ROM logic,Associative Memory,Cache Memory Organisation,Virtual Memory.

                                                           UNIT-IV
pipeline and vector processing:Parallel Processing,Pipelining,Arithemetic pipeline,Instruction Pipeline,RISC Pipeline,Vector processors,Multiprocessors;Characteristics,Interconnection Structures.

                                                           UNIT-V
Processor Architecture:Component of Microprocessor,I/O parts,16-bit(8086) Architecture,32-Bit(80486) Architecture,Super Scalar Architecture in Pentium Processor,64-Bit (Pentium Dual-Core) Architecture.