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Fermat's principle; principle of least time (P. de Fermat):
The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a system is always the path which takes the least time.
explain briefly voltaic cell
Suppose the sides of a closed polygam represent vector arrangend head to tail rule , what is sum of these vectors ?
An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water. He can tell if it is a real pool of water or a mirage by putting on his pol
A transformer has 600 primary turns and 150 secondary turns. The primary and secondary resistances are 0.25 and 0.01 respectively and the corresponding leakage reactances are 1.0 a
Isn't there any relation to calculate the dipole moment from the electronegativities of the participating atoms? Solution) formulae:- 16(X A -X B )+3.5(X A -X B ) 2
What are the electron microscopy application in biology and life sciences? Biology and life sciences as in electron microscopy application: a. Cryobiology and Cellular tomog
If a particle in periodic motion moves back and forth (or to and fro) over the same path, then its motion it is called as vibratory or oscillatory. The examples of vibratory or osc
(i) It having of district bright bands. (ii)It is given by an excited source in molecular state. (iii) E.g. Spectra of molecular NH 3 , CO, H 2 etc.
In an electric field difference among potential energy of two points A and B is described as equal to the amount of work done (by external agent) in moving a unit positive charge f
Who makes fiber optics? Glass manufacturers mostly make Glass fibers. Mainly chemical companies fabricate PMMA fibers. Companies, both private and public, manufacture other kin
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