by admin | Jun 3, 2015 | sem1
Production of Ultrasonics by Magnetostriction method When magnetic field is applied across the length of a ferromagnetic rod such as Nickel, then change in the length of rod is observed. This is called Magnetostriction. The charge in length is propotional to the...
by admin | Jun 3, 2015 | sem1
Production of Ultrasonics by Piezoelectric method For generating ultrasonic waves of high frequency (about 50 MHz) a generator using the piezoelectric effect is employed. It is found that when crystals of some materials such as quartz, tourmaline, rocksalt etc. are...
by admin | Jun 3, 2015 | sem1
Sabine Formula for Reverberation Time Sabine equation Sabine’s reverberation equation was developed in the late 1890s in an empirical fashion. He established a relationship between the RT60 of a room, its volume, and its total absorption (in sabins). This is...
by admin | Jun 3, 2015 | sem3
Constructors Constructors are special class functions which performs initialization of every object. The Compiler calls all the Constructor whenever an object is created.The initialized constructor values to object members after a memory is allocated to that object....
by admin | Jun 3, 2015 | sem1
Weber–Fechner law Def: The Weber-Fechner law states that the amount of change needed for sensory detection to occur increases with the initial intensity of stimulus, and is proportional to it. The change in stimulus that will be just noticeable is a constant ratio of...
by admin | Jun 3, 2015 | sem1
Crystal Growth Techniques A crystal is a solid material whose constituent atoms, molecules, or ions are arranged in an orderly repeating pattern extending in all three spatial dimensions.Crystal growth is a major stage of a crystallization process, and consists in the...
