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Electro Magnetic Waves
EMW dont require any material medium for there propogation but their veoicity DEPENDS on nature of medium involved…. i.e.c = 1/ (μ0ε0)1/2
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acidic strength
why does acidic strength increases wid inc in oxidation state
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crystal field theory
how can we say more or less in tettra and octahedral complexes crystal field spliting as the energy is always 10dq?
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coordinate compounds
how does pi bonding in ligands affect the strength of the ligand
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inductors
how can we logically (not using the formula) prove that a condudtor provides an easy path for DC and much difficult for AC?
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give a bit of heed here
i am a 12 class stud my preboards r starting frm 10 dec that is i have to prepare WHOLE syllabus in nearly 25 days but i am hardly wiiling to go to iit too c...
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NIT
WANT TO GET ADDMISION IN NIT. PLZ HELP ME I’M CLASS XII. HOW DO I GET IN IT.
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optics
if a ray of light is incident perpendicularly on a denser medium it passes without any refraction. on applying snells law it gives n=sini/sinr=sin0/sin0=0/0....
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Minimum AIR/marks
What minimum marks\ AIR should i achieve in the IIT-JEE to be able to do btech in mech eng from IIT-B,IIT-K,IIT-D,IIT-Kh or IIT-M?
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Isomerism
Number of isomeric structures of Cumene are ?
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friction
an insect crawls in an hemispherical surface very slowly the coefficient of friction between the surface and insect is 1/3.if the line joining the center of ...
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friction
during the paddling of bicycle the force of friction exerted by the ground on the wheel is such that it acts in backward direction on the front wheel and in ...
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logical dought
we know that 15multiplyby1/3=5.but i can say that 15multiply by1/3=4.5….[since i we know that 1/3=0.3333].so 15 multiply1/3will be equal to4.5….....
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rotational mechanics
A spot light rotates in a vertical plane with a constant angular speed of 0.1 rad/sec. The spot of light moves along the wall at the distance of 3m. What is ...
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integration
1) integral[ tan-1 { (cos2x-sin2x) / (cos2x+sin2x)}dx ] 2) if f(x)= Lim n tending to infinity[ e{xtan(1/n)log(1/n)} and integral[f(x)/ (sin{^11}x.cosx)] d...
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Chelation
can any one explain me how chelation affects the stability of derivatives of benzene?
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BUFFER
A BUFFER OF PH9.26 MADE BY DISSOLVING X MOLES OF AMMONIUM SULPHATE AND .1 MOLE OF AMMONIUM INTO 100 ML SOLUTION .IF PKB OF AMMONIUM IS 4.74 ,CALCUTATE VALUE ...
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Friction
may i leave friction!! as it is vey difficult for me to do the questions of friction!! plz advise me!!
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maths calculus
1 ) integ [tan 2θ / √cos6θ + sin6θ ] dθ 2 ) integ [ (5×4 + 4×5) / (x5 + x + 1)2 ] dx 3 ) integ [ cos2x / (1 + tanx) ] dx 4 ) integ [ { l...
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mathematics
i m a bit weak in the maths part especially the calculus part…the integration m practicin bt still m nt getting the satisfaction 4 it..since its has a ...
