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AJ1991 (530)

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Every person who views this message has to write two formulaes for iitjee-08or-09...
The next persons who views this will give a perfect rating to the person if he likes the formulae.
Then of course if he wants some rates,he too should write two formulae.
Note:plz do not give ratings to ppl who do not write any formula.......
This way everyone will gain rates..

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AJ1991 (530)

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the first two formulae are:
1.dQ=dU+dW
2.Q=mcdt...

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AJ1991 (530)

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hey everyone,...

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crack (385)

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P+1/2* density* v^2+density*g*h=constant |bernolli's theorem|

h=2S/p*g*a |capillary rise

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akshay_4691 (28)

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1.Velocity of an electron in a Bohr orbit
 
=2.18 X Z/n X 10^8 cm/s
 
where:Z=atomic number
         n=no. of orbit
 
 
2. Radius of a bohr atom:
0.529 X n^2/Z Angstrom units
 
Where n and Z have the same meaning as in the first case...
 
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mujtaba4iit (501)

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If heat energy is supplied to a gas of mass m at constant volume, heat energy supplied is given by:

                        dQ= m.cv.dT
where,
cv= specific heat at constant volume when mass =m


If heat is supplied to n moles of the gas for the same condition then heat energy supplied is given by:

                               dQ= n.Cv.dT
where,
Cv= specific heat at constant volume when moles=n


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saketsahoo (70)

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the most important of all..............
force=mass * acceleration


people are made for love and machines for use, but unfortunately nowadays machines are being loved and people are used.
check out my new blog on www.sakettheindividualist.blogspot.com
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netkid07 (2009)

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1.distance=speed*time (too...difficult)

Who says nothing is impossible.

I've been doing nothing for years !!..............


I know KUNG FU KARATE
and 47 other dangerous words.............

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AJ1991 (530)

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Hey guys remember to vote for the person with maximum pts.


formulae:


E=-dv/dr....


F=I.dlXB...


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rudra.panda (2557)

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\text{Energy stored in capacitor or inductor: } U_c=\frac{1Q^2}{2c}\ \ \ \ U_l=\frac{1}{2}LI^2\\\\\text{Oscillating frequency of LC circuit:}\left(2\pi f \right)^2=\frac{1}{LC}


God does not care about our mathematical difficulties. He integrates empirically. ~~~Albert Einstein (1879-1955)~~~~
To divide a cube into two other cubes, a fourth power or in general any power whatever into two powers of the same denomination above the second is impossible, and I have assuredly found an admirable proof of this, but the margin is too narrow to contain it.~~~Pierre de Fermat (1601-1665)~~~

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krish1092 (528)

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Orbital velocity V0=R 


Escape velocity Ve =

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rudra.panda (2557)

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\text{Reactants of  capacitor and inductor(AC)}\\X_C=\frac{1}{2 \pi fl}\\\\\text{f is the frequency}\\\\\\\text{Impedance of LRC circuits(AC):}\\\\Z=\sqrt{(X_C-X_L)^2+R^2}


God does not care about our mathematical difficulties. He integrates empirically. ~~~Albert Einstein (1879-1955)~~~~
To divide a cube into two other cubes, a fourth power or in general any power whatever into two powers of the same denomination above the second is impossible, and I have assuredly found an admirable proof of this, but the margin is too narrow to contain it.~~~Pierre de Fermat (1601-1665)~~~

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pkciit (110)

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1) K =2.303/T *LOG a/a-x  


2)AVERAGE LIFE =HALF LIFE PERIOD/0.693  =1.44*HALF LIFE PERIOD

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kislay (1118)

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