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what do you mean by dead time in gm counter? draw a neat diagram at gm counter and explain its working. mention some of its applications. give basic
what is index fiber? how you define the modes in an optical fiber? give a relation between core diameter and numerical aperture. ans. the index
describe the construction of optical fiber. explain the principle of propagation of light waves within a fiber. define acceptance angle and
define coherence and explain temporal and spatial coherence. show that visibility is a maxim of coherence. define the q factor for a spectral line.
what type of respiration does earthworm has? in many complex animals the cells of internal organs are distant from the outside environment
what is nutrition? explain types of nutrition?nutrition - taking nutrients from environmentnutrients - substances which are needed for the sources
neuroscience is a scientific study of the nervous system. usually neuroscience has been seen considered as a branch of biology. thus it is now
neural coding is a neuroscience based field mainly concerned with characterizing the relationship bw the stimulus amp the individual and ensemble
what is neurophysicsneurophysics is the field of biophysics dealing with nervous system. neurophysics covers a extensive spectrum of phenomena from
thermodynamics similarities between system and control volume a system and control volume are defined by careful in description of their
a ball is thrown horizontally from a point 100 m above the ground with a speed of 20 msec .find the time it takes to reach the
where can i find sample questions of unitary method for kids to practice? i need unitary method study material if availbale here on
write question hera firm must decide whether to construct a small medium or large stamping plant. a consultants report indicates a .20 probability
the decomposition of nh3 on a platinum surface is a zero order reaction. what are the rates of production of n2 and h2 if k2.510-4 mol-1
on the basis of electrical conductivity the solids can be broadly classified into three typesa metals b insulators c semiconductors
salt bridge is a u-shaped tube containing a semi-solid paste of some inert electrolyte like kcl kno3 nh4cl etc. in agar-agar and gelatin. an
there are numerous methods for shielding metals from corrosion iron from rusting. some of these methods are being discussed as follows 1. barrier
the galvanic cells in which electrodes are made of same metal but they are immersed in the electrolytes of different concentrations in two half cells
the series of elements involving the filling of 5f-orbitals is called actinoids series. they follow ac 89 and include the fourteen elements from th
the elements of first transition series from variety of oxides of different oxidation states having general formulae mo m2o3 m3o6 mo2 mo3. these
a co-ordination compounda co-ordination compound contains a central metal atom or cation which is surrounded by a suitable number of anions or
show that the heat transferred during an innitesimal quasi-static process of an ideal gas can be written as dq cv nr v dp
the mathematical expression used for expressing the rates of chemical reaction is given below by taking two different set of chemical
half life of reaction refers to as the time during which the concentration of the reactants is reduced to half of the initial concentration or it
average rate of a reaction is defined as the rate of change of concentration per unit time. it is calculated by dividing the total change in