MAL-ABSORPTION SYNDROME It is a group of disorders marked by subnormal absorption on dietary constituent & excessive loss of nutrition in stool.... Read more
Immunology is the study of immune system and diseases related to immune system simply starting from allergy to very much complexed and dreadful diseases like AIDS, Hepatitis etc... read more
In velocity modulation, three cases are taken. Firstly, there is no applied voltage and as such electrons passing through the gap A are unaffected and will reach the collector with the same constant velocities.... read more
Klystron is the simplest vacuum tube that can be used for amplification or generation of microwave signal. The operation of klystron depends upon velocity modulation which leads to density modulation..... read more
Visible and U.V. spectroscopy have a number of applications. Some of them are- 1. Assignment of structure of compounds: If two compounds show same absorption spectra means they should same structure. If structure of one of them is known, other’s can be determined which can be illustrated by the following example.... read more
Einstein or photochemical equivalence law is applicable only to the primary photochemical process or in other words as a result of primary absorption of one quantum, only one molecule undergoes dissociation and the products enter no further reaction... Read more
Bohr could not give the reason of whole number of n in angular momentum mvr = nh/2π equation de- Broglie assumed that in the phenomenon of interference or diffraction the distance covered by electron should be integral multiple of wavelength (λ).... Read more
Introduction. The origin of CFCs could be traced to the miraculous refrigerant, freon – 12 , discovered in 1930 by scientists in the Frigidair Division of General Motors in US.. Read more
Series : Expression of that form in which the successive terms are always according to some definite rule as Is called series. Here is called n th term of series. There are two types of series 1) Finite Series 2) Infinite Series.... Read more