2 Days 2435/73·Update your Address!:Please update your Address on your profile. here: http://targetiit.com/edit.html
We intend to send a bimonthly (Something like a Mathematics today but 3 subjects together!) sometime next month free ..
4 Days 1037/31·Two rods, Two hinges.:[image]33460113.jpg[/image]
The setup shown consists of two identical rods (mass m) hinged together at the ends.
This setup is held in the position shown.
Now we start applying a constant force F..
7 Days 23812/429·Re-exam.............:Most of us aren't happy with JEE-2010 and the way it was conducted?Can we do something?Can we have a re-exam?
those in support of a re-exam do reply here............
8 Days 565/21·XII Pass Outs Dropping a ..:All those who have passed out from class XII this year that is 2009 and are going to give IIT next year please post ur name.... May be we can keep in touch...,cuz it's v depressing to be alone and thi..
16 Days 120/2·Good one..try it:Given are Positive integers not exceeding a fixed integer constant M. If the LCM of every 2 of them is greater than M,prove that the sum of the reciprocals of these numbers is less than 3/2
20 Days 925/13·Star Delta Method:http://www.allaboutcircuits.com/vol_1/chpt_10/13.html
I have resisted a lot in the past against this method.
I really feel that this method takes away the joy of solving complex circuits and sho..
23 Days 3071/61·For Seniors:Pls tell me if any one has good study material for jee and could pass it on to me for free
30 Days 481/29·EQUATION!: The number of non- negative integral solutions of x1+x2+x3+x4=20 with at least one of the xi ( i=1,2,3,4) is even is:
(a) 1500
(b) 1470
(c) 1450
(d) 1606
32 Days 210/5·help tiitans...............:need help regarding some basic things tiitians..............very confused...
Q1 is metallurgy only abt mines ???does it restrict us to mines only ???
please elaborate on fuure prospects ...job w..
35 Days 460/16·hydrolisis:What si the hydrolysiss product ??
[image]29690170.jpg[/image]
38 Days 689/27·Practice....:long time since posted ques.............here are some for 2011 aspirants
daily updates.....
Day1
Q1 Express[frac]1*3*5*...*(2n-1)2*4*6*8....*(2n)[/frac] as [frac]a2w[/frac] where a is odd and w<2..
39 Days 263/9·mechano:ABC idnetify with mechanism
[image]30785829.jpg[/image]
43 Days 1062/48·congruences A-Z:this thread is mainly intended to give some insight into congruences and how to solve various jee related problems using that concept..
definition of congruent:
A number `a` is said to be cong..
46 Days 300/10·Suggest Applications::You may have seen that no new apps have been put up for over 6 months here..
Could you guys suggest some application (of course the feasibility is an issue) that could be made to explain a few thin..
47 Days 504/18·AIEEE Organic:[image]46642648.jpg[/image]
Agar aise questions AIEEE mein aayenge..I will be damn surprised!
51 Days 376/19·An empty mind is devil's ..:http://codecogs.izyba.com/gif.latex?%5Cint_%7B-1%7D%5E%7B2%7D%7Bx%5E2%7D%20dx[/im]
whats the need to integrate ?????jsut fill in values..
(2)^2-(-1)^2
=4-1
=3
51 Days 536/21·Sketch:Sketch following functions
[image]1496534.jpg[/image]
52 Days 5145/40·Ebooks for download :):I will keep post a lot of ebooks here...
Keep visiting this thread here
But you have to give me time also.. It is taking time to upload ebooks...
61 Days 2511/103·ISAT 2010:how was it???
how many gave
how much r u expecting??
62 Days 306/16·Find The difference..:Find the difference with your targetiit main page..
[image]11665725.jpg[/image]
68 Days 183/3·Moment Of Inertia OF a "C..:Calculate the moment of inertia of a cone of Height "h" , Base Radius "r" ,About the central axes .. I know the Result . I WANT THE STEPWISE SOLUTION [Please Give Detailed Steps (if possible)][image]5..
72 Days 580/30·Belting the earth...:A belt is fit around the equator.
Suppose it was 1 meter extra in length, and it was lifted till it was no longer slack.
How high above the Earth's surface would you then be?
A diagram is..
75 Days 963/30·Nice Integral-~~~~:plz solve
1) http://codecogs.izyba.com/gif.latex?\int_{0}^{\infty}{\frac{1}{(x^2+a^2)(x^2+b^2)}}dx[/im]
2) http://codecogs.izyba.com/gif.latex?\int_{0}^{\pi}{log(1-6cosx+9)}dx[/im]
3)http://..
77 Days 415/16·aakash aits 3 :hopeless chem questions
Q1. Choose the incorrect statement
(a) In [Fe(CN)6[/ss]]4- , Fe-C bond length is smaller than Fe-C bond length in [Fe(CN)6[/ss]]3-
(b) EAN of Fe in [Fe(CN)6[/ss]]4- is 36
..
79 Days 220/3·what ans are u getting ?:if tan(πcosθ)=cot(πsinθ)
then form eqn whose roots are cosθ and sinθ
79 Days 958/25·Proposal to scrap IIT JEE:The IITs and all other engineering schools may soon pick students based more on board examination marks than on entrance test performances, under testing reforms recommended by a panel of IIT director..
85 Days 921/42·IIT RE EXAM:I have written JEE this year and i have lost half an hour in the first paper due to that goof up in the ORS sheet and question paper due to erasing and writing back the answers twice.
I strongly am i..
85 Days 1157/59·i walk alone!! :O:you know what the blue box beneath reads
"WebSite Status: Total 1893 Registered users, Total 869551 PageViews, Total 114184 Visitors.
Online Status : Currently 14 guests and 1 users Online. Max..
87 Days 1271/96·BITSAT Reasoning Practise:added Q20 , Q21 , Q22
Q1)
If KMF can be written as LLH then RMS =
a) SLR b) SLU c) SSU d) SUS
Q2)
If corden can be written as zrogbq then what can be ..
87 Days 9916/307·Bashing this site!:You can put down all your complaints.. errors on tests and anything that u dont like about this site.. on this thread.
I will try to make it sticky so that it is always in the home page view!
Or m..
89 Days 421/14·2nd may - jee deadline...:I cud not find anything on jee websites, that they had earlier decided to post the measures 2day they will take to compensate for the JEE blunder.
Pls give the link if any.
91 Days 369/7·Re exam strategy:IITs are going to declare by May 2 , what measures will they take for rectifying the mistakes in JEE paper.
Suppose u r the iit director. What step will u take to rectify the following mistakes?
..
95 Days 195/15·Question from BITSAT. Any..:Four of the following five are alike in a certain way that they form a group. Which is the 1 that does not belong to the group?
1) Horse
2) Dog
3) Camel
4) Cow
5) Fox
[hide]the ans is Dog[/h..
98 Days 270/5·for chess lovers:What is the smallest number of knights that you would need to place on a chessboard so that every vacant square could be reached by a knight in one move?
103 Days 738/45·CUTOFF:what cutoff u people expecting can it go below 160 as per the examination pattern , paper difficulty level ,increment of seats in IIT, mistake in heading in omr sheet.
104 Days 154/4·peroid ???:http://codecogs.izyba.com/gif.latex?2%20%5Cleft|%20sin%5Cfrac{%5Cpi%20x}{3!}%5Cright|-3%5Cleft|%20cos%5Cfrac{%5Cpi%20x%20}{4!}%5Cright|+tan(%5Cfrac{e^{7x}}{e^{}}+tan%5Cfrac{7%5Cpi%20x}{3})[/im]
107 Days 3916/130·How was the ppr??:hey, how was the ppr, how much u guyz expecting??
113 Days 152/2·Alkanes:
[image]46251346.jpg[/image]
[image]46251383.jpg[/image]
[image]46251476.jpg[/image]
113 Days 147/3·Differential stuff!:1. y+x dy/dx = x [f(xy)/f '(xy)], thn f(xy)= ?
a) k(e)(x)2/2
b) k(e)(y)2/2
c) k(e)(xy)/2
d) k(e)(xy)
2. y= (c1[/ss] +c2[/ss])[sin(3x+c3[/ss])] - c4[/ss]e(2x+c5)[/ss]
Find the..
113 Days 210/18·Bmat7 dbts........:plz rpely ASAP
[image]45713819.jpg[/image]
113 Days 231/22·ionicc....:[image]46133068.jpg[/image]
113 Days 88/0·ionic...1994:Eq constant for reaction
[Ag(CN)2[/ss]]- ≈ Ag+ +2CN- is 4 x 10-19
calulate silver ion conc in a soln which is originally 0.1M in KCN and 0.03 M in AgNO3
114 Days 287/11·interplay of ortho effect..:CArefully see the interplay of ortho effect,h-bond and mesomeric effect
Arrange the following in increasing acidity
1) a. o-nitroaniline
b. [image]46160353.jpg[/image]
114 Days 667/19· The Final Assault - Last..:Getting into the IITs - the hallowed portals of high class engineering education in India requires one to cope with immense competition, the changing pattern of the exam year after year and in the end..
114 Days 184/14·RTPF:Arrange the following in increasing order of extent of hydrolysis
(A) PCl3[/ss] > AsCl3[/ss] > SbCl3[/ss] > BiCl3[/ss]
(B) PCl3[/ss] > AsCl3[/ss] > BiCl3[/ss] > SbCl3[/ss]
(C) BiCl3[/ss] > SbCl3[..
115 Days 129/6·RTPF Integer Type:Number of S-S bond present in P4[/ss]S3[/ss] is ___.
Can we do this if we dont know the structure ?
115 Days 138/1·most common conceptual mi..:people lets write out here some most common conceptual mistakes that we commit quite confidently.....
115 Days 129/4·Organic Help !!:[image]45866176.jpg[/image]
[image]45866237.jpg[/image]
[image]45866293.jpg[/image]
115 Days 78/2·some more dbts:***Q2,4,5 done....plz reply only to Q1,3**
[image]46075449.jpg[/image]
115 Days 143/9·Cbse english:Has anyone got an idea as to the range of marks achievable in english in CBSE boards?Is 90 a gettable target?
plz reply soon.
115 Days 162/16·misc. chem:Q1. The most stable complex is
(a) [Cu(NH3)6[/ss]]2+
(b) [Cu(NH3)4[/ss]en]2+
(c) [Cu(NH3)2[/ss](en)2[/ss]]2+
(d) [Cu(en)3[/ss]]2+
ans given (c)
Q2. Choose correct statement
(a) [image]460..
115 Days 191/4·inorg,,,just say yes or n..:Q1 [CoCl2(NH3)4]+ + Cl- → [CoCl3(NH3)3] +NH3
If the product shows only one type of isomer then reactant must be trans ..is my conclusion correct ??
Q2 Cu+ exists as s1d9 or d10 ??
117 Days 133/6·Fluid Mechanics Doubt ::Q1: A dog is sitting in a boat which is floating in a pond.The dog drinks some water from the pond.Prove that the level of water remains unchanged .
My doubt : I dont know how to prove this BCOZ I ..
117 Days 212/10·super easy ques:Q1 Solublity order
Beso4,MgSO4,CaSO4,SrSO4
Q2 2nd ionisation enthalpy
Cr,V,T,Mn
Q3 [image]45862925.jpg[/image]
117 Days 70/2·Insects:An insect crawls up a hemispherical surface very very slowly. The coefficient of friction between the insect and the surface is 1/3. If the line joining the centre of the hemisphere to the insect make..
117 Days 114/4·dbts ---3 :Q1 [image]45734151.jpg[/image]
Q2 [image]45734170.jpg[/image]
Q3 Which of the following is true?
(a) O2– is a hard ion (b) O2+ is a hard ion
(c) O2– is liquid ion
(d) Both (b) and (..
118 Days 147/9·probablity:Q1 if n postiive integers are taken at random and multiplied together and pn [/ss] is probablity that last digit of product is 2,4,6,8.Find pn[/ss] and p4[/ss]
Q2 2 integers r,s are drawn one at a ..
119 Days 67/1·Nice one :[image]45734111.jpg[/image]
** not a dbt...
119 Days 78/3·plz confirm:[image]45729428.jpg[/image]
119 Days 371/11·whats formed ??:1) FeCl3 +SO2 →
2)Fe2O3 +NaOH +Cl2 →
3)CuSO4.5H2O +KCN(excess)→
will add more later....
***not my doubts....just some exception reactions ***
120 Days 133/7·dbt:Q1 T/F
[Co(NH3)6]Cl3 gives 2 moles of Cl– which react with AgNO3 to form 2 moles of AgCl.
Q2Which of the following exist as dimer
(A) Al(CH3)3 (B) CH3Li
(C) Si(CH3)4 (D) Be(CH3)2
Q3Format..
120 Days 409/27·p block dbts:**I am hiding the solved questions....**
[hide]1)Hydrolysis of PI3 gives ??[/hide]
2)Decomposition of H2O2 is lowed down by addn of ??
[hide]3)compound which is used in space vehicels to abso..
120 Days 410/19·ISAT/AIEEE cards:anyone recieved ISAT2010 and AIEEE2010 admit cards ??????
121 Days 277/6·2003:[image]44224341.jpg[/image]
ans is a) but shouldnt it be b ????
121 Days 440/31·2 ques:Q1 how many isomers??
[image]44953248.jpg[/image]
Q2 acidic order?
[image]44953277.jpg[/image]
122 Days 237/23·POLLS , ELECTION and DEMO..:I give the power to you to vote the BEST OF THE TWO BOOKS that I'm listing down
for CLASS XII MATHEMATICS (a slight change in the thread (the earlier was calculus : [hide]http://www.targetiit.com/..
122 Days 182/13·quesss:Q1
[image]45446694.jpg[/image]
Q2
[image]45446707.jpg[/image]
Q3 any concept for this question ???????????or simply memory stuff ??
[image]45446723.jpg[/image]
122 Days 191/14·alcohol4:[image]44306620.jpg[/image]
give reasons
122 Days 68/1·elechem........:Calculate Potenial half cell Ag2S (s) +2e =2Ag(s) +S2-(aq) in osln buffered at ph=3 which is also saturated with 0.1M H2S (Aq)
** = denotes equilbm
122 Days 143/4·fluids dbt....my own:A cylinder partitioned into two parts is filled with two immiscible liquids A(ρ1) and B(ρ2).Now two orifices(O1 and O2) are simultanously created.Find velocity of efflux
Take two cases
a)ρ1>ρ2..
122 Days 83/0·photoelec+H spectrum:Hydrogen atom HA-1 and Hydrogen atom HA-2 are in ground state and in first excited state. A metal plate accepts energies 12.1 eV and 1.9 eV respectively from an Emission spectra.(Work fn=2eV)
Find th..
124 Days 688/10·23-11-09: Evaluate the in..:Evaluate the following integral:
http://codecogs.izyba.com/gif.latex?%5Cint_%7B-100%7D%5E%7B-10%7D%5Cleft%28%5Cdfrac%7Bx%5E2-x%7D%7Bx%5E3-3x+1%7D%5Cright%29%5E2%5Cmathrm%20dx+%5Cint_%7B%5Cfrac%7B1%7D..
124 Days 389/11·Alternative proof of Ferm..:This is a brilliant brilliant proof i read today...
[image]28516894.jpg[/image]
This is from a book called problem solving strategies... (it is a brilliant read!)
126 Days 145/4·option confusion.s...:Sorces of electromagnetic fields are involved in
a)∫E.dS=q/ε
b)∫B.dS=0
c)∫E.dl=-[frac]d∫B.dSdt[/frac]
d)∫B.dl=μI+με[frac]d∫E.dSdt[/frac]
e)F=[frac]2μI I' l4πr[/frac]
127 Days 52/1·elechm2:2CH3COO-→C2H6+2CO2 +2e
If current effiicency=80%,what vol of gas is produced at 27C and 740 torr if current of 0.5 A is passed for 96.45 min
127 Days 279/12·Capilarity:[image]41140706.jpg[/image]
I need ans to Q2,3 only
127 Days 115/4·grignard...:[image]44823569.jpg[/image]
127 Days 95/3·ques:Q1 [image]44953332.jpg[/image]
Q2 only ans plz for this one
[image]44953354.jpg[/image]
128 Days 328/9·Friction KS--:In the situation shown in the figure for whAT value of force F sliding between middle and lower block will start
[image]44729129.jpg[/image]
128 Days 521/14·kinetics:Q. The decomposition of N2[/ss]O5[/ss] is 1st order. 2N2[/ss]O5[/ss] ---> 4NO2[/ss] + O2[/ss] is 1st order. If the rate constant is
5.90 x 10-4 s-1, what is the half life of this reaction?
will u..
128 Days 61/2·max value of ?:f(x)=|x-x2|
What is the maximum value of this fn?[hide]ans is 6 but i got as 1[/hide]
128 Days 63/2·no idea:Q1 if v' is frequncy of photon which escapes to ∞ from a star and v is its freuncy when it is emmited from surface of star of radius R then v/v'= ?
Q2Gravitational red shift of phototn escaped to..
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