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if u r not satisfied with the above answer than just scrap in my nudge book.and i will answer your question

what is meant by a tetramer?

first let me tell u that optcs is the 2nd most important topic aftyer electricity in phy iit.so u better have a good reading of the concept and them remember the formulae ,then u better start solving problems from dc pandey optics book,then go to hc verma.starting with hc verma will fetch u nothing.

give an example of a functyion which is always continuous but never differentiable,answer with proof.

can anyone clearly explain me about heine sequence?

when a horse and acamel are placed at random on a chess board then what is the probabiity that one attacks the other?

the answers are not at all fine to most of them!some problems have conceptual mistakes where as others show that the author set the solution without a basic idea of the problem!sorry to say this!

please do not refer to his solutions of example sums they are nothin less than a mess

the value of z is probably 8

why is the ionization potential of radium greater than that of barium?

there is no such number!

what is meant by a right handed basis?

a horse and a camel are placed at random on a standard chess board!find the probability th

what is meant by spin isomerism?which elements or compounds show spin isomerism?