Wavelet: Wavelets are tiny parts of waves.
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Wavefront : A wavefront can be defined as the locus of all the points of the medium which are vibrating in phase and are also displaced at the same time.
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Diffraction grating : Diffraction grating is an extremely useful device. In one of its form it consists of a very large number of narrow slits side by side. The slits are separated by opaque spaces.
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Diffraction phenomena can conveniently divided into two groups.
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Diffraction : The rhythmic variations in intensity and the bending of light around the corners of an obstacle or the encroachment of light into the region of geometrical shadow constitute a class of phenomena known as the diffraction of light.
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Fringe width : The distance between any two consecutive bright or dark fringe is known as fringe width. Symbolically the fringe width is β and
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Two independent sources of light can not produce interference because a large number of difficulties are involved. The two sources may emit light waves of largely different amplitude and wave length and the phase difference between the two may change with time. That’s why interference of light is produced by two coherent sources which are virtual.
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Coherent sources : Two sources are said to be coherent if they emit light waves of same frequency, nearly equal amplitude and are always in phase with each other.
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Interference of light: Wave emitted from two coherent sources having the same wavelength, equal or nearly equal amplitude when passes through a point in a medium, then superposition takes place.
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Huygens principle : To explain the propagation of light through ether, Huygens proposed the following principles for the construction of a wavefront at a subsequent time from the known position of the wavefront at any given instance.
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Stationary waves: When two simple harmonic waves of the same amplitude, frequency and time period travel in opposite directions in a straight line, the resultant wave obtained is called a stationary or a standing wave. The formation of stationary waves is due to the superposition of the two waves on the particles of the medium.
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Transverse waves: In transverse wave motion, the particles of the medium vibrate at right angles to the direction of propagation of wave.
Example: Light waves are transverse waves.
Longitudinal wave motion: In longitudinal wave motion, particles of the medium vibrate along the direction of propagation of the wave.
Example: Sound waves are longitudinal waves.
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Wave motion: Wave motion is a form of disturbance produced in the medium by the repeated periodic motion of the particles of the medium. Here, only the waves travel forward whereas the particles of the medium vibrate about their mean positions.
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Resonance: When the forced frequency is equal to the natural frequency of vibration of the body, resonance takes place. Resonance is a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibrations as the natural frequency of the resonating system.
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Undamped free vibrations: When a bob of a simple pendulum (in vacuum) is displaced from its mean position and left, it executes simple harmonic motions. The pendulum will continue to oscillate with the same time period and amplitude for any length of time. In such cases there is no loss of energy by friction or otherwise. In all similar cases, the vibrations will be undamped free vibrations.
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Lissajous’ figure: When a particle is influenced simultaneously by two simple harmonic motions at right angles to each other, the resultant motion of the particle traces a curve. These curves are called Lissajous’ figure.
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Simple harmonic motion: The type of motion where the acceleration is directed towards a fixed point (the mean position of rest) and is proportional to the displacement of the vibrating particle is called simple harmonic motion.
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Entropy: The term ‘Entropy’ is a Greek word and means transformation. Entropy is a physical property or nature of a substance that remain constant in an adiabatic process. It is a quantity that increases with the application of heat in a reversible manner.
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Carnot’s reversible engine : In 1824, Sadi Carnot conceived a closed reversible cycle consisting two strokes. Since that Carnot’s cycle reversible because it consists two isothermals and two adiabatic, all of which are reversible process.
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-- (FCFS) (RR) (SJF) #define directive #include #include directive ++ 8086 Micorprocessor 8086 microprocessor About HTML Absolute URL Ackerman Function advantages of user defined functions AIFF All LIST Tags AMV Android Application of OOP Arithmetic arithmetic and logic unit Arrays Assignment Audio File Types Audio Formats AX B Backslash character Basic Features Basic Features of OOP basic structure of C BIG Bill Gates Bill Gates Speech at Harvard University Bitwise BMP BODY BP BPS BR Breadth First Search BX C History C Language Categories of operators character set in C character test functions Character types characteristics POP Class Notes: C Programming Class Notes: Chemistry Class Notes: Data Strcuture Class Notes: Digital Image Processing Class Notes: Economics Class Notes: HTML Class Notes: Microprocessor and Computer Architecture Class Notes: OOP Class Notes: Physics I Class Notes: Software Engineering Class Notes: Theory of Computation compile time Compile time initialization compiling and running a C program flowchart Conditional conditions for variables Cons of POP counter controlled loop Counter controlled loop VS Sentinel controlled loop Creating Creating a web site CX Data types decision making declaration of one dimensional array declare a function in C declare a function in C Plus Plus decrement decrement operator Define Operating System Definition deleting Depth First Search DI different operators different type of constant different types of arrays discuss function call document different folder document of the web document same folder Documentation Domain name Domain name selection guidelines DPS draw multifunction program DX Dynamic arrays elements of user defined functions Else If Ladder Entry controlled loop Entry controlled loops VS Exit controlled loops evolutionary software process model Executable part Executing a C program Exit controlled loop Explain Explain and Solve explain function call explain function definition FCFS First Come First Served Floating point type flow chart of the process FONT FOR loop VS WHILE loop VS DO....WHILE Friend Function function function call function definition function nesting function parameters fundamental steps of digital image processing fundamental steps of DIP general registers GIF GIF File viewer Harvard University HEAD Heat & Thermodynamics HR HTML HTML Tags Hypertext I identifier IF Else statement IF statement Image Formats image processing with a neat block diagram IMG Increment increment operator information initialization of one dimensional array initialization of two dimensional array input output operations inserting Integer constants Integer types Interference & Diffraction internal architecture 8086 Internet IP address Isolated I/O J. K. Rowling J. K. Rowling at Harvard University J. K. Rowling Speech at Harvard University JPEG JPG keyword Like Password. Link Linked List Linking Links llop in C Local web page Logical Loop in Programming main () function managing I/O Matrix Problem Mecached Memcahce Memory Mapped I/O merging microprocessor MIDI MOV Movies and Videos MP3 MPEG multi-function program Multidimensional array multifunction program My Choice: Software My Diary My Games | HTML CSS JQuery My Movies: Horror My Poems My Tutorials | Blogspot My Tutorials | C++ My Tutorials | Java Script My Tutorials | Programming My Tutorials | Software My Tutorials | Visual Basic My Tutorials | Web My Works | Programs MySQL Database .NET MySQL Database VB MySQL Database VB.NET mysql with vb.net necessity of website Nested If Else Statement nesting of functions Object Oriented Programming One dimensional array OOP Operating System Concepts Operator Organizing OS OS Scheduling P pass by reference Pass by value Pass object to function Password Technique Pattern Pattern Password Technique Performance personal website Photo Viewer Picture Formats Picture Game Picture Puzzle Picture Puzzle Game Planning PNG POP POP programming PRE preprocessor Priority Scheduling Problems of POP Procedural programming Procedure Oriented Programming program Programming Languages Pros and cons of POP Publicizing Publishing Queue RAW Re-test or updating Real constants recursion recursive Relational Relative URLs Remote web page Round Robin RR rules for identifier rules to create a domain name run time Run time initialization S scanf format codes Scheduling search engine procedure Search Engines Search Engines vs Web Directories searching sentinel controlled loop server sever Short Questions Shortest Job Shortest Job First SI Simulation Simulation Viewer Simulation Viewer Software Single character constants SJF Slow Slow Speed Slow Website SMALL small business website software process model Solutions to problems of POP Solve sorting SP Special Speed Up Stack Stanford University statements used in C Static arrays Steps of looping process Steve Jobs Steve Jobs at Stanford University Steve Jobs Speech at Stanford University String STRONG structure of C programming SUB Subprogram section SUP syntax rules or grammar and syntax errors. tags Testing TITLE traversing Trees TT Two dimensional array types of arrays U URL user defined functions Using MySQL Using MySQL Database with Visual Basic variables Video File Types Video Formats Visual Basic .NET Visual Basic .NET 2010 Void types WAV Waves and Oscillation web browser Web Directories Web page web site What is constant What is friend function What is HTML What is link What is operating system what is recursion What is user defined functions Why search engine created Why we need search engines. why website Windows Photo Viewer WMA WMV World Wide Web WWW